128642436

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8867}}^1$

素因数の和:8921

約数の個数: 72

約数和(自身を含む): 361530624

約数和(自身を除く): 232888188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 8867, 14508, 17734, 26601, 35468, 53202, 79803, 106404, 115271, 159606, 230542, 274877, 319212, 345813, 461084, 549754, 691626, 824631, 1037439, 1099508, 1383252, 1649262, 2074878, 2473893, 3298524, 3573401, 4149756, 4947786, 7146802, 9895572, 10720203, 14293604, 21440406, 32160609, 42880812, 64321218, 128642436]

約数ペア:

[(1, 128642436), (2, 64321218), (3, 42880812), (4, 32160609), (6, 21440406), (9, 14293604), (12, 10720203), (13, 9895572), (18, 7146802), (26, 4947786), (31, 4149756), (36, 3573401), (39, 3298524), (52, 2473893), (62, 2074878), (78, 1649262), (93, 1383252), (117, 1099508), (124, 1037439), (156, 824631), (186, 691626), (234, 549754), (279, 461084), (372, 345813), (403, 319212), (468, 274877), (558, 230542), (806, 159606), (1116, 115271), (1209, 106404), (1612, 79803), (2418, 53202), (3627, 35468), (4836, 26601), (7254, 17734), (8867, 14508)]