661440147256

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{513540487}}^1$

素因数の和:513540523

約数の個数: 32

約数和(自身を含む): 1478996605440

約数和(自身を除く): 817556458184

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 513540487, 1027080974, 2054161948, 3594783409, 4108323896, 7189566818, 11811431201, 14379133636, 23622862402, 28758267272, 47245724804, 82680018407, 94491449608, 165360036814, 330720073628, 661440147256]

約数ペア:

[(1, 661440147256), (2, 330720073628), (4, 165360036814), (7, 94491449608), (8, 82680018407), (14, 47245724804), (23, 28758267272), (28, 23622862402), (46, 14379133636), (56, 11811431201), (92, 7189566818), (161, 4108323896), (184, 3594783409), (322, 2054161948), (644, 1027080974), (1288, 513540487)]