259012936

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 645120000

約数和(自身を除く): 386107064

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 31, 46, 52, 56, 62, 91, 92, 104, 124, 161, 182, 184, 217, 248, 299, 322, 364, 403, 434, 499, 598, 644, 713, 728, 806, 868, 998, 1196, 1288, 1426, 1612, 1736, 1996, 2093, 2392, 2821, 2852, 3224, 3493, 3992, 4186, 4991, 5642, 5704, 6487, 6986, 8372, 9269, 9982, 11284, 11477, 12974, 13972, 15469, 16744, 18538, 19964, 22568, 22954, 25948, 27944, 30938, 37076, 39928, 45409, 45908, 51896, 61876, 64883, 74152, 80339, 90818, 91816, 108283, 123752, 129766, 149201, 160678, 181636, 201097, 216566, 259532, 298402, 321356, 355787, 363272, 402194, 433132, 519064, 596804, 642712, 711574, 804388, 866264, 1044407, 1193608, 1407679, 1423148, 1608776, 2088814, 2490509, 2815358, 2846296, 4177628, 4625231, 4981018, 5630716, 8355256, 9250462, 9962036, 11261432, 18500924, 19924072, 32376617, 37001848, 64753234, 129506468, 259012936]

約数ペア:

[(1, 259012936), (2, 129506468), (4, 64753234), (7, 37001848), (8, 32376617), (13, 19924072), (14, 18500924), (23, 11261432), (26, 9962036), (28, 9250462), (31, 8355256), (46, 5630716), (52, 4981018), (56, 4625231), (62, 4177628), (91, 2846296), (92, 2815358), (104, 2490509), (124, 2088814), (161, 1608776), (182, 1423148), (184, 1407679), (217, 1193608), (248, 1044407), (299, 866264), (322, 804388), (364, 711574), (403, 642712), (434, 596804), (499, 519064), (598, 433132), (644, 402194), (713, 363272), (728, 355787), (806, 321356), (868, 298402), (998, 259532), (1196, 216566), (1288, 201097), (1426, 181636), (1612, 160678), (1736, 149201), (1996, 129766), (2093, 123752), (2392, 108283), (2821, 91816), (2852, 90818), (3224, 80339), (3493, 74152), (3992, 64883), (4186, 61876), (4991, 51896), (5642, 45908), (5704, 45409), (6487, 39928), (6986, 37076), (8372, 30938), (9269, 27944), (9982, 25948), (11284, 22954), (11477, 22568), (12974, 19964), (13972, 18538), (15469, 16744)]