648218084

素因数分解:

$2^2\times {\mathrm{317}}^1\times {\mathrm{511213}}^1$

素因数の和:511534

約数の個数: 12

約数和(自身を含む): 1137962364

約数和(自身を除く): 489744280

約数列:

[1, 2, 4, 317, 634, 1268, 511213, 1022426, 2044852, 162054521, 324109042, 648218084]

約数ペア:

[(1, 648218084), (2, 324109042), (4, 162054521), (317, 2044852), (634, 1022426), (1268, 511213)]