390468506

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{68963}}^1$

素因数の和:69133

約数の個数: 16

約数和(自身を含む): 620676000

約数和(自身を除く): 230207494

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 68963, 137926, 1310297, 2620594, 10275487, 20550974, 195234253, 390468506]

約数ペア:

[(1, 390468506), (2, 195234253), (19, 20550974), (38, 10275487), (149, 2620594), (298, 1310297), (2831, 137926), (5662, 68963)]