91141985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 125832960

約数和(自身を除く): 34690975

約数列:

[1, 5, 11, 23, 55, 109, 115, 253, 545, 661, 1199, 1265, 2507, 3305, 5995, 7271, 12535, 15203, 27577, 36355, 72049, 76015, 137885, 167233, 360245, 792539, 836165, 1657127, 3962695, 8285635, 18228397, 91141985]

約数ペア:

[(1, 91141985), (5, 18228397), (11, 8285635), (23, 3962695), (55, 1657127), (109, 836165), (115, 792539), (253, 360245), (545, 167233), (661, 137885), (1199, 76015), (1265, 72049), (2507, 36355), (3305, 27577), (5995, 15203), (7271, 12535)]