2111405

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:256

約数の個数: 16

約数和(自身を含む): 2651184

約数和(自身を除く): 539779

約数列:

[1, 5, 37, 101, 113, 185, 505, 565, 3737, 4181, 11413, 18685, 20905, 57065, 422281, 2111405]

約数ペア:

[(1, 2111405), (5, 422281), (37, 57065), (101, 20905), (113, 18685), (185, 11413), (505, 4181), (565, 3737)]