139037872

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{44111}}^1$

素因数の和:44316

約数の個数: 20

約数和(自身を含む): 270759456

約数和(自身を除く): 131721584

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 44111, 88222, 176444, 352888, 705776, 8689867, 17379734, 34759468, 69518936, 139037872]

約数ペア:

[(1, 139037872), (2, 69518936), (4, 34759468), (8, 17379734), (16, 8689867), (197, 705776), (394, 352888), (788, 176444), (1576, 88222), (3152, 44111)]