620624

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:578

約数の個数: 20

約数和(自身を含む): 1220160

約数和(自身を除く): 599536

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 491, 632, 982, 1264, 1964, 3928, 7856, 38789, 77578, 155156, 310312, 620624]

約数ペア:

[(1, 620624), (2, 310312), (4, 155156), (8, 77578), (16, 38789), (79, 7856), (158, 3928), (316, 1964), (491, 1264), (632, 982)]