26987825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 34997760

約数和(自身を除く): 8009935

約数列:

[1, 5, 25, 31, 97, 155, 359, 485, 775, 1795, 2425, 3007, 8975, 11129, 15035, 34823, 55645, 75175, 174115, 278225, 870575, 1079513, 5397565, 26987825]

約数ペア:

[(1, 26987825), (5, 5397565), (25, 1079513), (31, 870575), (97, 278225), (155, 174115), (359, 75175), (485, 55645), (775, 34823), (1795, 15035), (2425, 11129), (3007, 8975)]