81554906

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{1451}}^1$

素因数の和:1789

約数の個数: 16

約数和(自身を含む): 123884640

約数和(自身を除く): 42329734

約数列:

[1, 2, 157, 179, 314, 358, 1451, 2902, 28103, 56206, 227807, 259729, 455614, 519458, 40777453, 81554906]

約数ペア:

[(1, 81554906), (2, 40777453), (157, 519458), (179, 455614), (314, 259729), (358, 227807), (1451, 56206), (2902, 28103)]