16971725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 22141440

約数和(自身を除く): 5169715

約数列:

[1, 5, 25, 31, 61, 155, 305, 359, 775, 1525, 1795, 1891, 8975, 9455, 11129, 21899, 47275, 55645, 109495, 278225, 547475, 678869, 3394345, 16971725]

約数ペア:

[(1, 16971725), (5, 3394345), (25, 678869), (31, 547475), (61, 278225), (155, 109495), (305, 55645), (359, 47275), (775, 21899), (1525, 11129), (1795, 9455), (1891, 8975)]