645391022

素因数分解:

$2^1\times {\mathrm{491}}^1\times {\mathrm{571}}^1\times {\mathrm{1151}}^1$

素因数の和:2215

約数の個数: 16

約数和(自身を含む): 972601344

約数和(自身を除く): 327210322

約数列:

[1, 2, 491, 571, 982, 1142, 1151, 2302, 280361, 560722, 565141, 657221, 1130282, 1314442, 322695511, 645391022]

約数ペア:

[(1, 645391022), (2, 322695511), (491, 1314442), (571, 1130282), (982, 657221), (1142, 565141), (1151, 560722), (2302, 280361)]