2456905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 3370752

約数和(自身を除く): 913847

約数列:

[1, 5, 11, 31, 55, 121, 131, 155, 341, 605, 655, 1441, 1705, 3751, 4061, 7205, 15851, 18755, 20305, 44671, 79255, 223355, 491381, 2456905]

約数ペア:

[(1, 2456905), (5, 491381), (11, 223355), (31, 79255), (55, 44671), (121, 20305), (131, 18755), (155, 15851), (341, 7205), (605, 4061), (655, 3751), (1441, 1705)]