31006157

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 40857600

約数和(自身を除く): 9851443

約数列:

[1, 7, 13, 19, 79, 91, 133, 227, 247, 553, 1027, 1501, 1589, 1729, 2951, 4313, 7189, 10507, 17933, 19513, 20657, 30191, 56069, 125531, 136591, 233129, 340727, 392483, 1631903, 2385089, 4429451, 31006157]

約数ペア:

[(1, 31006157), (7, 4429451), (13, 2385089), (19, 1631903), (79, 392483), (91, 340727), (133, 233129), (227, 136591), (247, 125531), (553, 56069), (1027, 30191), (1501, 20657), (1589, 19513), (1729, 17933), (2951, 10507), (4313, 7189)]