261103975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{941}}^1\times {\mathrm{1009}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 353928240

約数和(自身を除く): 92824265

約数列:

[1, 5, 11, 25, 55, 275, 941, 1009, 4705, 5045, 10351, 11099, 23525, 25225, 51755, 55495, 258775, 277475, 949469, 4747345, 10444159, 23736725, 52220795, 261103975]

約数ペア:

[(1, 261103975), (5, 52220795), (11, 23736725), (25, 10444159), (55, 4747345), (275, 949469), (941, 277475), (1009, 258775), (4705, 55495), (5045, 51755), (10351, 25225), (11099, 23525)]