22109555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{643}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 29915088

約数和(自身を除く): 7805533

約数列:

[1, 5, 13, 23, 65, 115, 299, 529, 643, 1495, 2645, 3215, 6877, 8359, 14789, 34385, 41795, 73945, 192257, 340147, 961285, 1700735, 4421911, 22109555]

約数ペア:

[(1, 22109555), (5, 4421911), (13, 1700735), (23, 961285), (65, 340147), (115, 192257), (299, 73945), (529, 41795), (643, 34385), (1495, 14789), (2645, 8359), (3215, 6877)]