1225975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 1674000

約数和(自身を除く): 448025

約数列:

[1, 5, 19, 25, 29, 89, 95, 145, 445, 475, 551, 725, 1691, 2225, 2581, 2755, 8455, 12905, 13775, 42275, 49039, 64525, 245195, 1225975]

約数ペア:

[(1, 1225975), (5, 245195), (19, 64525), (25, 49039), (29, 42275), (89, 13775), (95, 12905), (145, 8455), (445, 2755), (475, 2581), (551, 2225), (725, 1691)]