4915775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 6547200

約数和(自身を除く): 1631425

約数列:

[1, 5, 19, 25, 79, 95, 131, 395, 475, 655, 1501, 1975, 2489, 3275, 7505, 10349, 12445, 37525, 51745, 62225, 196631, 258725, 983155, 4915775]

約数ペア:

[(1, 4915775), (5, 983155), (19, 258725), (25, 196631), (79, 62225), (95, 51745), (131, 37525), (395, 12445), (475, 10349), (655, 7505), (1501, 3275), (1975, 2489)]