201689608

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{887}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 387984960

約数和(自身を除く): 186295352

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 661, 887, 1322, 1774, 2644, 3548, 5288, 7096, 28423, 38141, 56846, 76282, 113692, 152564, 227384, 305128, 586307, 1172614, 2345228, 4690456, 25211201, 50422402, 100844804, 201689608]

約数ペア:

[(1, 201689608), (2, 100844804), (4, 50422402), (8, 25211201), (43, 4690456), (86, 2345228), (172, 1172614), (344, 586307), (661, 305128), (887, 227384), (1322, 152564), (1774, 113692), (2644, 76282), (3548, 56846), (5288, 38141), (7096, 28423)]