39978169

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4363}}^1$

素因数の和:4405

約数の個数: 24

約数和(自身を含む): 53729568

約数和(自身を除く): 13751399

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 4363, 9163, 30541, 47993, 74171, 213787, 335951, 519197, 815881, 2351657, 3634379, 5711167, 39978169]

約数ペア:

[(1, 39978169), (7, 5711167), (11, 3634379), (17, 2351657), (49, 815881), (77, 519197), (119, 335951), (187, 213787), (539, 74171), (833, 47993), (1309, 30541), (4363, 9163)]