2511025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 3553344

約数和(自身を除く): 1042319

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 397, 575, 1265, 1985, 4367, 6325, 9131, 9925, 21835, 45655, 100441, 109175, 228275, 502205, 2511025]

約数ペア:

[(1, 2511025), (5, 502205), (11, 228275), (23, 109175), (25, 100441), (55, 45655), (115, 21835), (253, 9925), (275, 9131), (397, 6325), (575, 4367), (1265, 1985)]