1977425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 2708160

約数和(自身を除く): 730735

約数列:

[1, 5, 19, 23, 25, 95, 115, 181, 437, 475, 575, 905, 2185, 3439, 4163, 4525, 10925, 17195, 20815, 79097, 85975, 104075, 395485, 1977425]

約数ペア:

[(1, 1977425), (5, 395485), (19, 104075), (23, 85975), (25, 79097), (95, 20815), (115, 17195), (181, 10925), (437, 4525), (475, 4163), (575, 3439), (905, 2185)]