220393985

素因数分解:

$5^1\times 7^1\times {\mathrm{1597}}^1\times {\mathrm{3943}}^1$

素因数の和:5552

約数の個数: 16

約数和(自身を含む): 302520576

約数和(自身を除く): 82126591

約数列:

[1, 5, 7, 35, 1597, 3943, 7985, 11179, 19715, 27601, 55895, 138005, 6296971, 31484855, 44078797, 220393985]

約数ペア:

[(1, 220393985), (5, 44078797), (7, 31484855), (35, 6296971), (1597, 138005), (3943, 55895), (7985, 27601), (11179, 19715)]