25379915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 10044085

約数列:

[1, 5, 11, 19, 55, 95, 149, 163, 209, 745, 815, 1045, 1639, 1793, 2831, 3097, 8195, 8965, 14155, 15485, 24287, 31141, 34067, 121435, 155705, 170335, 267157, 461453, 1335785, 2307265, 5075983, 25379915]

約数ペア:

[(1, 25379915), (5, 5075983), (11, 2307265), (19, 1335785), (55, 461453), (95, 267157), (149, 170335), (163, 155705), (209, 121435), (745, 34067), (815, 31141), (1045, 24287), (1639, 15485), (1793, 14155), (2831, 8965), (3097, 8195)]