393458042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{69491}}^1$

素因数の和:69661

約数の個数: 16

約数和(自身を含む): 625428000

約数和(自身を除く): 231969958

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 69491, 138982, 1320329, 2640658, 10354159, 20708318, 196729021, 393458042]

約数ペア:

[(1, 393458042), (2, 196729021), (19, 20708318), (38, 10354159), (149, 2640658), (298, 1320329), (2831, 138982), (5662, 69491)]