81354754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{22511}}^1$

素因数の和:22665

約数の個数: 16

約数和(自身を含む): 132370560

約数和(自身を除く): 51015806

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 22511, 45022, 292643, 585286, 3129029, 6258058, 40677377, 81354754]

約数ペア:

[(1, 81354754), (2, 40677377), (13, 6258058), (26, 3129029), (139, 585286), (278, 292643), (1807, 45022), (3614, 22511)]