81105476

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{2003}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 145442304

約数和(自身を除く): 64336828

約数列:

[1, 2, 4, 53, 106, 191, 212, 382, 764, 2003, 4006, 8012, 10123, 20246, 40492, 106159, 212318, 382573, 424636, 765146, 1530292, 20276369, 40552738, 81105476]

約数ペア:

[(1, 81105476), (2, 40552738), (4, 20276369), (53, 1530292), (106, 765146), (191, 424636), (212, 382573), (382, 212318), (764, 106159), (2003, 40492), (4006, 20246), (8012, 10123)]