90264895

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{19687}}^1$

素因数の和:19830

約数の個数: 16

約数和(自身を含む): 124743168

約数和(自身を除く): 34478273

約数列:

[1, 5, 7, 35, 131, 655, 917, 4585, 19687, 98435, 137809, 689045, 2578997, 12894985, 18052979, 90264895]

約数ペア:

[(1, 90264895), (5, 18052979), (7, 12894985), (35, 2578997), (131, 689045), (655, 137809), (917, 98435), (4585, 19687)]