520078993

素因数分解:

$7^2\times {\mathrm{37}}^2\times {\mathrm{7753}}^1$

素因数の和:7841

約数の個数: 18

約数和(自身を含む): 621863046

約数和(自身を除く): 101784053

約数列:

[1, 7, 37, 49, 259, 1369, 1813, 7753, 9583, 54271, 67081, 286861, 379897, 2008027, 10613857, 14056189, 74296999, 520078993]

約数ペア:

[(1, 520078993), (7, 74296999), (37, 14056189), (49, 10613857), (259, 2008027), (1369, 379897), (1813, 286861), (7753, 67081), (9583, 54271)]