25019821

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 26712576

約数和(自身を除く): 1692755

約数列:

[1, 31, 61, 101, 131, 1891, 3131, 4061, 6161, 7991, 13231, 190991, 247721, 410161, 807091, 25019821]

約数ペア:

[(1, 25019821), (31, 807091), (61, 410161), (101, 247721), (131, 190991), (1891, 13231), (3131, 7991), (4061, 6161)]