81684862

素因数分解:

$2^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{2663}}^1$

素因数の和:2992

約数の個数: 24

約数和(自身を含む): 143040816

約数和(自身を除く): 61355954

約数列:

[1, 2, 7, 14, 49, 98, 313, 626, 2191, 2663, 4382, 5326, 15337, 18641, 30674, 37282, 130487, 260974, 833519, 1667038, 5834633, 11669266, 40842431, 81684862]

約数ペア:

[(1, 81684862), (2, 40842431), (7, 11669266), (14, 5834633), (49, 1667038), (98, 833519), (313, 260974), (626, 130487), (2191, 37282), (2663, 30674), (4382, 18641), (5326, 15337)]