28133690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5849}}^1$

素因数の和:5906

約数の個数: 32

約数和(自身を含む): 56019600

約数和(自身を除く): 27885910

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 5849, 11698, 29245, 58490, 76037, 152074, 216413, 380185, 432826, 760370, 1082065, 2164130, 2813369, 5626738, 14066845, 28133690]

約数ペア:

[(1, 28133690), (2, 14066845), (5, 5626738), (10, 2813369), (13, 2164130), (26, 1082065), (37, 760370), (65, 432826), (74, 380185), (130, 216413), (185, 152074), (370, 76037), (481, 58490), (962, 29245), (2405, 11698), (4810, 5849)]