289370665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{20443}}^1$

素因数の和:20616

約数の個数: 16

約数和(自身を含む): 367992000

約数和(自身を除く): 78621335

約数列:

[1, 5, 19, 95, 149, 745, 2831, 14155, 20443, 102215, 388417, 1942085, 3046007, 15230035, 57874133, 289370665]

約数ペア:

[(1, 289370665), (5, 57874133), (19, 15230035), (95, 3046007), (149, 1942085), (745, 388417), (2831, 102215), (14155, 20443)]