1222745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:296

約数の個数: 16

約数和(自身を含む): 1577280

約数和(自身を除く): 354535

約数列:

[1, 5, 19, 61, 95, 211, 305, 1055, 1159, 4009, 5795, 12871, 20045, 64355, 244549, 1222745]

約数ペア:

[(1, 1222745), (5, 244549), (19, 64355), (61, 20045), (95, 12871), (211, 5795), (305, 4009), (1055, 1159)]