218979071

素因数分解:

${\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 230630400

約数和(自身を除く): 11651329

約数列:

[1, 31, 89, 139, 571, 2759, 4309, 12371, 17701, 50819, 79369, 383501, 1575389, 2460439, 7063841, 218979071]

約数ペア:

[(1, 218979071), (31, 7063841), (89, 2460439), (139, 1575389), (571, 383501), (2759, 79369), (4309, 50819), (12371, 17701)]