90162163

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{52147}}^1$

素因数の和:52186

約数の個数: 16

約数和(自身を含む): 116811520

約数和(自身を除く): 26649357

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 52147, 365029, 677911, 990793, 4745377, 6935551, 12880309, 90162163]

約数ペア:

[(1, 90162163), (7, 12880309), (13, 6935551), (19, 4745377), (91, 990793), (133, 677911), (247, 365029), (1729, 52147)]