128951255

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 163425600

約数和(自身を除く): 34474345

約数列:

[1, 5, 29, 61, 145, 239, 305, 1195, 1769, 3721, 6931, 8845, 14579, 18605, 34655, 72895, 107909, 422791, 539545, 889319, 2113955, 4446595, 25790251, 128951255]

約数ペア:

[(1, 128951255), (5, 25790251), (29, 4446595), (61, 2113955), (145, 889319), (239, 539545), (305, 422791), (1195, 107909), (1769, 72895), (3721, 34655), (6931, 18605), (8845, 14579)]