1057181489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{611441}}^1$

素因数の和:611480

約数の個数: 16

約数和(自身を含む): 1369630080

約数和(自身を除く): 312448591

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 611441, 4280087, 7948733, 11617379, 55641131, 81321653, 151025927, 1057181489]

約数ペア:

[(1, 1057181489), (7, 151025927), (13, 81321653), (19, 55641131), (91, 11617379), (133, 7948733), (247, 4280087), (1729, 611441)]