28101988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2699}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 52164000

約数和(自身を除く): 24062012

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2603, 2699, 5206, 5398, 10412, 10796, 51281, 102562, 205124, 369763, 739526, 1479052, 7025497, 14050994, 28101988]

約数ペア:

[(1, 28101988), (2, 14050994), (4, 7025497), (19, 1479052), (38, 739526), (76, 369763), (137, 205124), (274, 102562), (548, 51281), (2603, 10796), (2699, 10412), (5206, 5398)]