1289432872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1395

約数の個数: 128

約数和(自身を含む): 3177619200

約数和(自身を除く): 1888186328

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 73, 76, 91, 104, 133, 146, 152, 182, 247, 266, 292, 364, 494, 511, 532, 584, 728, 949, 988, 1022, 1064, 1277, 1387, 1729, 1898, 1976, 2044, 2554, 2774, 3458, 3796, 4088, 5108, 5548, 6643, 6916, 7592, 8939, 9709, 10216, 11096, 13286, 13832, 16601, 17878, 18031, 19418, 24263, 26572, 33202, 35756, 36062, 38836, 48526, 53144, 66404, 71512, 72124, 77672, 93221, 97052, 116207, 126217, 132808, 144248, 169841, 186442, 194104, 232414, 252434, 315419, 339682, 372884, 464828, 504868, 630838, 652547, 679364, 745768, 929656, 1009736, 1211873, 1261676, 1305094, 1358728, 1771199, 2207933, 2423746, 2523352, 2610188, 3542398, 4415866, 4847492, 5220376, 7084796, 8483111, 8831732, 9694984, 12398393, 14169592, 16966222, 17663464, 23025587, 24796786, 33932444, 46051174, 49593572, 67864888, 92102348, 99187144, 161179109, 184204696, 322358218, 644716436, 1289432872]

約数ペア:

[(1, 1289432872), (2, 644716436), (4, 322358218), (7, 184204696), (8, 161179109), (13, 99187144), (14, 92102348), (19, 67864888), (26, 49593572), (28, 46051174), (38, 33932444), (52, 24796786), (56, 23025587), (73, 17663464), (76, 16966222), (91, 14169592), (104, 12398393), (133, 9694984), (146, 8831732), (152, 8483111), (182, 7084796), (247, 5220376), (266, 4847492), (292, 4415866), (364, 3542398), (494, 2610188), (511, 2523352), (532, 2423746), (584, 2207933), (728, 1771199), (949, 1358728), (988, 1305094), (1022, 1261676), (1064, 1211873), (1277, 1009736), (1387, 929656), (1729, 745768), (1898, 679364), (1976, 652547), (2044, 630838), (2554, 504868), (2774, 464828), (3458, 372884), (3796, 339682), (4088, 315419), (5108, 252434), (5548, 232414), (6643, 194104), (6916, 186442), (7592, 169841), (8939, 144248), (9709, 132808), (10216, 126217), (11096, 116207), (13286, 97052), (13832, 93221), (16601, 77672), (17878, 72124), (18031, 71512), (19418, 66404), (24263, 53144), (26572, 48526), (33202, 38836), (35756, 36062)]