2399555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 3020544

約数和(自身を除く): 620989

約数列:

[1, 5, 31, 113, 137, 155, 565, 685, 3503, 4247, 15481, 17515, 21235, 77405, 479911, 2399555]

約数ペア:

[(1, 2399555), (5, 479911), (31, 77405), (113, 21235), (137, 17515), (155, 15481), (565, 4247), (685, 3503)]