2161942736

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{208843}}^1$

素因数の和:209498

約数の個数: 20

約数和(自身を含む): 4195258272

約数和(自身を除く): 2033315536

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 208843, 417686, 835372, 1670744, 3341488, 135121421, 270242842, 540485684, 1080971368, 2161942736]

約数ペア:

[(1, 2161942736), (2, 1080971368), (4, 540485684), (8, 270242842), (16, 135121421), (647, 3341488), (1294, 1670744), (2588, 835372), (5176, 417686), (10352, 208843)]