90020917

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{1097}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 108570240

約数和(自身を除く): 18549323

約数列:

[1, 7, 19, 133, 617, 1097, 4319, 7679, 11723, 20843, 82061, 145901, 676849, 4737943, 12860131, 90020917]

約数ペア:

[(1, 90020917), (7, 12860131), (19, 4737943), (133, 676849), (617, 145901), (1097, 82061), (4319, 20843), (7679, 11723)]