81786434

素因数分解:

$2^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1\times {\mathrm{631}}^1$

素因数の和:1145

約数の個数: 16

約数和(自身を含む): 123846720

約数和(自身を除く): 42060286

約数列:

[1, 2, 229, 283, 458, 566, 631, 1262, 64807, 129614, 144499, 178573, 288998, 357146, 40893217, 81786434]

約数ペア:

[(1, 81786434), (2, 40893217), (229, 357146), (283, 288998), (458, 178573), (566, 144499), (631, 129614), (1262, 64807)]