1640235961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{783677}}^1$

素因数の和:783720

約数の個数: 16

約数和(自身を含む): 2106526464

約数和(自身を除く): 466290503

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 783677, 5485739, 10187801, 18024571, 71314607, 126171997, 234319423, 1640235961]

約数ペア:

[(1, 1640235961), (7, 234319423), (13, 126171997), (23, 71314607), (91, 18024571), (161, 10187801), (299, 5485739), (2093, 783677)]