261840972

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{156979}}^1$

素因数の和:157125

約数の個数: 24

約数和(自身を含む): 615361600

約数和(自身を除く): 353520628

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 156979, 313958, 470937, 627916, 941874, 1883748, 21820081, 43640162, 65460243, 87280324, 130920486, 261840972]

約数ペア:

[(1, 261840972), (2, 130920486), (3, 87280324), (4, 65460243), (6, 43640162), (12, 21820081), (139, 1883748), (278, 941874), (417, 627916), (556, 470937), (834, 313958), (1668, 156979)]