123821968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{188753}}^1$

素因数の和:188802

約数の個数: 20

約数和(自身を含む): 245757708

約数和(自身を除く): 121935740

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 188753, 377506, 755012, 1510024, 3020048, 7738873, 15477746, 30955492, 61910984, 123821968]

約数ペア:

[(1, 123821968), (2, 61910984), (4, 30955492), (8, 15477746), (16, 7738873), (41, 3020048), (82, 1510024), (164, 755012), (328, 377506), (656, 188753)]