129780407

素因数分解:

${\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 136363392

約数和(自身を除く): 6582985

約数列:

[1, 43, 67, 107, 421, 2881, 4601, 7169, 18103, 28207, 45047, 308267, 1212901, 1937021, 3018149, 129780407]

約数ペア:

[(1, 129780407), (43, 3018149), (67, 1937021), (107, 1212901), (421, 308267), (2881, 45047), (4601, 28207), (7169, 18103)]