389884772

素因数分解:

$2^2\times {\mathrm{709}}^1\times {\mathrm{137477}}^1$

素因数の和:138190

約数の個数: 12

約数和(自身を含む): 683265660

約数和(自身を除く): 293380888

約数列:

[1, 2, 4, 709, 1418, 2836, 137477, 274954, 549908, 97471193, 194942386, 389884772]

約数ペア:

[(1, 389884772), (2, 194942386), (4, 97471193), (709, 549908), (1418, 274954), (2836, 137477)]