39911495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 57516480

約数和(自身を除く): 17604985

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 1901, 4199, 9505, 20995, 24713, 32317, 36119, 123565, 161585, 180595, 420121, 469547, 614023, 2100605, 2347735, 3070115, 7982299, 39911495]

約数ペア:

[(1, 39911495), (5, 7982299), (13, 3070115), (17, 2347735), (19, 2100605), (65, 614023), (85, 469547), (95, 420121), (221, 180595), (247, 161585), (323, 123565), (1105, 36119), (1235, 32317), (1615, 24713), (1901, 20995), (4199, 9505)]