22239245

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 31948800

約数和(自身を除く): 9709555

約数列:

[1, 5, 7, 31, 35, 103, 155, 199, 217, 515, 721, 995, 1085, 1393, 3193, 3605, 6169, 6965, 15965, 20497, 22351, 30845, 43183, 102485, 111755, 143479, 215915, 635407, 717395, 3177035, 4447849, 22239245]

約数ペア:

[(1, 22239245), (5, 4447849), (7, 3177035), (31, 717395), (35, 635407), (103, 215915), (155, 143479), (199, 111755), (217, 102485), (515, 43183), (721, 30845), (995, 22351), (1085, 20497), (1393, 15965), (3193, 6965), (3605, 6169)]