261381262

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1\times {\mathrm{2473}}^1$

素因数の和:3747

約数の個数: 16

約数和(自身を含む): 401678640

約数和(自身を除く): 140297378

約数列:

[1, 2, 43, 86, 1229, 2458, 2473, 4946, 52847, 105694, 106339, 212678, 3039317, 6078634, 130690631, 261381262]

約数ペア:

[(1, 261381262), (2, 130690631), (43, 6078634), (86, 3039317), (1229, 212678), (2458, 106339), (2473, 105694), (4946, 52847)]