388173688

素因数分解:

$2^3\times 7^2\times {\mathrm{990239}}^1$

素因数の和:990259

約数の個数: 24

約数和(自身を含む): 846655200

約数和(自身を除く): 458481512

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 990239, 1980478, 3960956, 6931673, 7921912, 13863346, 27726692, 48521711, 55453384, 97043422, 194086844, 388173688]

約数ペア:

[(1, 388173688), (2, 194086844), (4, 97043422), (7, 55453384), (8, 48521711), (14, 27726692), (28, 13863346), (49, 7921912), (56, 6931673), (98, 3960956), (196, 1980478), (392, 990239)]