12556816

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{2371}}^1$

素因数の和:2710

約数の個数: 20

約数和(自身を含む): 24412624

約数和(自身を除く): 11855808

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2371, 2648, 4742, 5296, 9484, 18968, 37936, 784801, 1569602, 3139204, 6278408, 12556816]

約数ペア:

[(1, 12556816), (2, 6278408), (4, 3139204), (8, 1569602), (16, 784801), (331, 37936), (662, 18968), (1324, 9484), (2371, 5296), (2648, 4742)]