13458775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 18414000

約数和(自身を除く): 4955225

約数列:

[1, 5, 11, 25, 55, 109, 275, 449, 545, 1199, 2245, 2725, 4939, 5995, 11225, 24695, 29975, 48941, 123475, 244705, 538351, 1223525, 2691755, 13458775]

約数ペア:

[(1, 13458775), (5, 2691755), (11, 1223525), (25, 538351), (55, 244705), (109, 123475), (275, 48941), (449, 29975), (545, 24695), (1199, 11225), (2245, 5995), (2725, 4939)]