2040397315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{245683}}^1$

素因数の和:245850

約数の個数: 16

約数和(自身を含む): 2688765696

約数和(自身を除く): 648368381

約数列:

[1, 5, 11, 55, 151, 755, 1661, 8305, 245683, 1228415, 2702513, 13512565, 37098133, 185490665, 408079463, 2040397315]

約数ペア:

[(1, 2040397315), (5, 408079463), (11, 185490665), (55, 37098133), (151, 13512565), (755, 2702513), (1661, 1228415), (8305, 245683)]