645895424

素因数分解:

$2^8\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 108

約数和(自身を含む): 1413456660

約数和(自身を除く): 767561236

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 241, 256, 304, 361, 464, 482, 551, 608, 722, 928, 964, 1102, 1216, 1444, 1856, 1928, 2204, 2432, 2888, 3712, 3856, 4408, 4579, 4864, 5776, 6989, 7424, 7712, 8816, 9158, 10469, 11552, 13978, 15424, 17632, 18316, 20938, 23104, 27956, 30848, 35264, 36632, 41876, 46208, 55912, 61696, 70528, 73264, 83752, 87001, 92416, 111824, 132791, 141056, 146528, 167504, 174002, 223648, 265582, 293056, 335008, 348004, 447296, 531164, 586112, 670016, 696008, 894592, 1062328, 1172224, 1340032, 1392016, 1789184, 2124656, 2523029, 2680064, 2784032, 4249312, 5046058, 5568064, 8498624, 10092116, 11136128, 16997248, 20184232, 22272256, 33994496, 40368464, 80736928, 161473856, 322947712, 645895424]

約数ペア:

[(1, 645895424), (2, 322947712), (4, 161473856), (8, 80736928), (16, 40368464), (19, 33994496), (29, 22272256), (32, 20184232), (38, 16997248), (58, 11136128), (64, 10092116), (76, 8498624), (116, 5568064), (128, 5046058), (152, 4249312), (232, 2784032), (241, 2680064), (256, 2523029), (304, 2124656), (361, 1789184), (464, 1392016), (482, 1340032), (551, 1172224), (608, 1062328), (722, 894592), (928, 696008), (964, 670016), (1102, 586112), (1216, 531164), (1444, 447296), (1856, 348004), (1928, 335008), (2204, 293056), (2432, 265582), (2888, 223648), (3712, 174002), (3856, 167504), (4408, 146528), (4579, 141056), (4864, 132791), (5776, 111824), (6989, 92416), (7424, 87001), (7712, 83752), (8816, 73264), (9158, 70528), (10469, 61696), (11552, 55912), (13978, 46208), (15424, 41876), (17632, 36632), (18316, 35264), (20938, 30848), (23104, 27956)]