15661378615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{26449}}^1$

素因数の和:26767

約数の個数: 32

約数和(自身を含む): 20719872000

約数和(自身を除く): 5058493385

約数列:

[1, 5, 19, 23, 95, 115, 271, 437, 1355, 2185, 5149, 6233, 25745, 26449, 31165, 118427, 132245, 502531, 592135, 608327, 2512655, 3041635, 7167679, 11558213, 35838395, 57791065, 136185901, 164856617, 680929505, 824283085, 3132275723, 15661378615]

約数ペア:

[(1, 15661378615), (5, 3132275723), (19, 824283085), (23, 680929505), (95, 164856617), (115, 136185901), (271, 57791065), (437, 35838395), (1355, 11558213), (2185, 7167679), (5149, 3041635), (6233, 2512655), (25745, 608327), (26449, 592135), (31165, 502531), (118427, 132245)]