128859654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{278917}}^1$

素因数の和:278940

約数の個数: 32

約数和(自身を含む): 321313536

約数和(自身を除く): 192453882

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 278917, 557834, 836751, 1673502, 1952419, 3068087, 3904838, 5857257, 6136174, 9204261, 11714514, 18408522, 21476609, 42953218, 64429827, 128859654]

約数ペア:

[(1, 128859654), (2, 64429827), (3, 42953218), (6, 21476609), (7, 18408522), (11, 11714514), (14, 9204261), (21, 6136174), (22, 5857257), (33, 3904838), (42, 3068087), (66, 1952419), (77, 1673502), (154, 836751), (231, 557834), (462, 278917)]