16164025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 21554424

約数和(自身を除く): 5390399

約数列:

[1, 5, 17, 25, 73, 85, 365, 425, 521, 1241, 1825, 2605, 6205, 8857, 13025, 31025, 38033, 44285, 190165, 221425, 646561, 950825, 3232805, 16164025]

約数ペア:

[(1, 16164025), (5, 3232805), (17, 950825), (25, 646561), (73, 221425), (85, 190165), (365, 44285), (425, 38033), (521, 31025), (1241, 13025), (1825, 8857), (2605, 6205)]