128476978

素因数分解:

$2^1\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{6449}}^1$

素因数の和:7881

約数の個数: 16

約数和(自身を含む): 220435200

約数和(自身を除く): 91958222

約数列:

[1, 2, 7, 14, 1423, 2846, 6449, 9961, 12898, 19922, 45143, 90286, 9176927, 18353854, 64238489, 128476978]

約数ペア:

[(1, 128476978), (2, 64238489), (7, 18353854), (14, 9176927), (1423, 90286), (2846, 45143), (6449, 19922), (9961, 12898)]