51307486

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:616

約数の個数: 24

約数和(自身を含む): 81884520

約数和(自身を除く): 30577034

約数列:

[1, 2, 19, 38, 179, 358, 361, 397, 722, 794, 3401, 6802, 7543, 15086, 64619, 71063, 129238, 142126, 143317, 286634, 1350197, 2700394, 25653743, 51307486]

約数ペア:

[(1, 51307486), (2, 25653743), (19, 2700394), (38, 1350197), (179, 286634), (358, 143317), (361, 142126), (397, 129238), (722, 71063), (794, 64619), (3401, 15086), (6802, 7543)]