28609555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1523}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 39300912

約数和(自身を除く): 10691357

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 1523, 3757, 7615, 18785, 19799, 25891, 98995, 129455, 336583, 440147, 1682915, 2200735, 5721911, 28609555]

約数ペア:

[(1, 28609555), (5, 5721911), (13, 2200735), (17, 1682915), (65, 440147), (85, 336583), (221, 129455), (289, 98995), (1105, 25891), (1445, 19799), (1523, 18785), (3757, 7615)]