788297470

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{400151}}^1$

素因数の和:400355

約数の個数: 16

約数和(自身を含む): 1426141728

約数和(自身を除く): 637844258

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 400151, 800302, 2000755, 4001510, 78829747, 157659494, 394148735, 788297470]

約数ペア:

[(1, 788297470), (2, 394148735), (5, 157659494), (10, 78829747), (197, 4001510), (394, 2000755), (985, 800302), (1970, 400151)]