138710628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{550439}}^1$

素因数の和:550456

約数の個数: 36

約数和(自身を含む): 400720320

約数和(自身を除く): 262009692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 550439, 1100878, 1651317, 2201756, 3302634, 3853073, 4953951, 6605268, 7706146, 9907902, 11559219, 15412292, 19815804, 23118438, 34677657, 46236876, 69355314, 138710628]

約数ペア:

[(1, 138710628), (2, 69355314), (3, 46236876), (4, 34677657), (6, 23118438), (7, 19815804), (9, 15412292), (12, 11559219), (14, 9907902), (18, 7706146), (21, 6605268), (28, 4953951), (36, 3853073), (42, 3302634), (63, 2201756), (84, 1651317), (126, 1100878), (252, 550439)]