64965505

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 86337216

約数和(自身を除く): 21371711

約数列:

[1, 5, 11, 55, 121, 167, 605, 643, 835, 1837, 3215, 7073, 9185, 20207, 35365, 77803, 101035, 107381, 389015, 536905, 1181191, 5905955, 12993101, 64965505]

約数ペア:

[(1, 64965505), (5, 12993101), (11, 5905955), (55, 1181191), (121, 536905), (167, 389015), (605, 107381), (643, 101035), (835, 77803), (1837, 35365), (3215, 20207), (7073, 9185)]