31854277

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 10481723

約数列:

[1, 7, 13, 17, 59, 91, 119, 221, 349, 413, 767, 1003, 1547, 2443, 4537, 5369, 5933, 7021, 13039, 20591, 31759, 41531, 77129, 91273, 144137, 267683, 350047, 539903, 1873781, 2450329, 4550611, 31854277]

約数ペア:

[(1, 31854277), (7, 4550611), (13, 2450329), (17, 1873781), (59, 539903), (91, 350047), (119, 267683), (221, 144137), (349, 91273), (413, 77129), (767, 41531), (1003, 31759), (1547, 20591), (2443, 13039), (4537, 7021), (5369, 5933)]