638206656

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 224

約数和(自身を含む): 1935601920

約数和(自身を除く): 1297395264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 41, 48, 51, 57, 64, 68, 76, 82, 96, 102, 114, 123, 136, 152, 164, 192, 204, 228, 246, 251, 272, 304, 323, 328, 408, 456, 492, 502, 544, 608, 646, 656, 697, 753, 779, 816, 912, 969, 984, 1004, 1088, 1216, 1292, 1312, 1394, 1506, 1558, 1632, 1824, 1938, 1968, 2008, 2091, 2337, 2584, 2624, 2788, 3012, 3116, 3264, 3648, 3876, 3936, 4016, 4182, 4267, 4674, 4769, 5168, 5576, 6024, 6232, 7752, 7872, 8032, 8364, 8534, 9348, 9538, 10291, 10336, 11152, 12048, 12464, 12801, 13243, 14307, 15504, 16064, 16728, 17068, 18696, 19076, 20582, 20672, 22304, 24096, 24928, 25602, 26486, 28614, 30873, 31008, 33456, 34136, 37392, 38152, 39729, 41164, 44608, 48192, 49856, 51204, 52972, 57228, 61746, 62016, 66912, 68272, 74784, 76304, 79458, 81073, 82328, 102408, 105944, 114456, 123492, 133824, 136544, 149568, 152608, 158916, 162146, 164656, 174947, 195529, 204816, 211888, 228912, 243219, 246984, 273088, 305216, 317832, 324292, 329312, 349894, 391058, 409632, 423776, 457824, 486438, 493968, 524841, 586587, 635664, 648584, 658624, 699788, 782116, 819264, 847552, 915648, 972876, 987936, 1049682, 1173174, 1271328, 1297168, 1399576, 1564232, 1945752, 1975872, 2099364, 2346348, 2542656, 2594336, 2799152, 3128464, 3323993, 3891504, 4198728, 4692696, 5188672, 5598304, 6256928, 6647986, 7783008, 8397456, 9385392, 9971979, 11196608, 12513856, 13295972, 15566016, 16794912, 18770784, 19943958, 26591944, 33589824, 37541568, 39887916, 53183888, 79775832, 106367776, 159551664, 212735552, 319103328, 638206656]

約数ペア:

[(1, 638206656), (2, 319103328), (3, 212735552), (4, 159551664), (6, 106367776), (8, 79775832), (12, 53183888), (16, 39887916), (17, 37541568), (19, 33589824), (24, 26591944), (32, 19943958), (34, 18770784), (38, 16794912), (41, 15566016), (48, 13295972), (51, 12513856), (57, 11196608), (64, 9971979), (68, 9385392), (76, 8397456), (82, 7783008), (96, 6647986), (102, 6256928), (114, 5598304), (123, 5188672), (136, 4692696), (152, 4198728), (164, 3891504), (192, 3323993), (204, 3128464), (228, 2799152), (246, 2594336), (251, 2542656), (272, 2346348), (304, 2099364), (323, 1975872), (328, 1945752), (408, 1564232), (456, 1399576), (492, 1297168), (502, 1271328), (544, 1173174), (608, 1049682), (646, 987936), (656, 972876), (697, 915648), (753, 847552), (779, 819264), (816, 782116), (912, 699788), (969, 658624), (984, 648584), (1004, 635664), (1088, 586587), (1216, 524841), (1292, 493968), (1312, 486438), (1394, 457824), (1506, 423776), (1558, 409632), (1632, 391058), (1824, 349894), (1938, 329312), (1968, 324292), (2008, 317832), (2091, 305216), (2337, 273088), (2584, 246984), (2624, 243219), (2788, 228912), (3012, 211888), (3116, 204816), (3264, 195529), (3648, 174947), (3876, 164656), (3936, 162146), (4016, 158916), (4182, 152608), (4267, 149568), (4674, 136544), (4769, 133824), (5168, 123492), (5576, 114456), (6024, 105944), (6232, 102408), (7752, 82328), (7872, 81073), (8032, 79458), (8364, 76304), (8534, 74784), (9348, 68272), (9538, 66912), (10291, 62016), (10336, 61746), (11152, 57228), (12048, 52972), (12464, 51204), (12801, 49856), (13243, 48192), (14307, 44608), (15504, 41164), (16064, 39729), (16728, 38152), (17068, 37392), (18696, 34136), (19076, 33456), (20582, 31008), (20672, 30873), (22304, 28614), (24096, 26486), (24928, 25602)]