257321142

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1938

約数の個数: 96

約数和(自身を含む): 652753920

約数和(自身を除く): 395432778

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 117, 171, 186, 234, 247, 279, 342, 403, 494, 558, 589, 741, 806, 1178, 1209, 1482, 1767, 1867, 2223, 2418, 3534, 3627, 3734, 4446, 5301, 5601, 7254, 7657, 10602, 11202, 15314, 16803, 22971, 24271, 33606, 35473, 45942, 48542, 57877, 68913, 70946, 72813, 106419, 115754, 137826, 145626, 173631, 212838, 218439, 319257, 347262, 436878, 461149, 520893, 638514, 752401, 922298, 1041786, 1099663, 1383447, 1504802, 2199326, 2257203, 2766894, 3298989, 4150341, 4514406, 6597978, 6771609, 8300682, 9896967, 13543218, 14295619, 19793934, 28591238, 42886857, 85773714, 128660571, 257321142]

約数ペア:

[(1, 257321142), (2, 128660571), (3, 85773714), (6, 42886857), (9, 28591238), (13, 19793934), (18, 14295619), (19, 13543218), (26, 9896967), (31, 8300682), (38, 6771609), (39, 6597978), (57, 4514406), (62, 4150341), (78, 3298989), (93, 2766894), (114, 2257203), (117, 2199326), (171, 1504802), (186, 1383447), (234, 1099663), (247, 1041786), (279, 922298), (342, 752401), (403, 638514), (494, 520893), (558, 461149), (589, 436878), (741, 347262), (806, 319257), (1178, 218439), (1209, 212838), (1482, 173631), (1767, 145626), (1867, 137826), (2223, 115754), (2418, 106419), (3534, 72813), (3627, 70946), (3734, 68913), (4446, 57877), (5301, 48542), (5601, 45942), (7254, 35473), (7657, 33606), (10602, 24271), (11202, 22971), (15314, 16803)]