128208031

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{1423}}^1$

素因数の和:1702

約数の個数: 16

約数和(自身を含む): 149736448

約数和(自身を除く): 21528417

約数列:

[1, 7, 61, 211, 427, 1423, 1477, 9961, 12871, 86803, 90097, 300253, 607621, 2101771, 18315433, 128208031]

約数ペア:

[(1, 128208031), (7, 18315433), (61, 2101771), (211, 607621), (427, 300253), (1423, 90097), (1477, 86803), (9961, 12871)]