25129013

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 31868928

約数和(自身を除く): 6739915

約数列:

[1, 7, 13, 49, 91, 103, 383, 637, 721, 1339, 2681, 4979, 5047, 9373, 18767, 34853, 39449, 65611, 243971, 276143, 512837, 1933001, 3589859, 25129013]

約数ペア:

[(1, 25129013), (7, 3589859), (13, 1933001), (49, 512837), (91, 276143), (103, 243971), (383, 65611), (637, 39449), (721, 34853), (1339, 18767), (2681, 9373), (4979, 5047)]