1390291255

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{190843}}^1$

素因数の和:190926

約数の個数: 16

約数和(自身を含む): 1758818304

約数和(自身を除く): 368527049

約数列:

[1, 5, 31, 47, 155, 235, 1457, 7285, 190843, 954215, 5916133, 8969621, 29580665, 44848105, 278058251, 1390291255]

約数ペア:

[(1, 1390291255), (5, 278058251), (31, 44848105), (47, 29580665), (155, 8969621), (235, 5916133), (1457, 954215), (7285, 190843)]