157980904

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{121151}}^1$

素因数の和:121320

約数の個数: 16

約数和(自身を含む): 298033920

約数和(自身を除く): 140053016

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 121151, 242302, 484604, 969208, 19747613, 39495226, 78990452, 157980904]

約数ペア:

[(1, 157980904), (2, 78990452), (4, 39495226), (8, 19747613), (163, 969208), (326, 484604), (652, 242302), (1304, 121151)]