81538438

素因数分解:

$2^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 123510960

約数和(自身を除く): 41972522

約数列:

[1, 2, 179, 358, 421, 541, 842, 1082, 75359, 96839, 150718, 193678, 227761, 455522, 40769219, 81538438]

約数ペア:

[(1, 81538438), (2, 40769219), (179, 455522), (358, 227761), (421, 193678), (541, 150718), (842, 96839), (1082, 75359)]