12864475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 17936352

約数和(自身を除く): 5071877

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 1721, 7475, 8605, 22373, 39583, 43025, 111865, 197915, 514579, 559325, 989575, 2572895, 12864475]

約数ペア:

[(1, 12864475), (5, 2572895), (13, 989575), (23, 559325), (25, 514579), (65, 197915), (115, 111865), (299, 43025), (325, 39583), (575, 22373), (1495, 8605), (1721, 7475)]