131511856

素因数分解:

$2^4\times 7^1\times {\mathrm{1174213}}^1$

素因数の和:1174228

約数の個数: 20

約数和(自身を含む): 291205072

約数和(自身を除く): 159693216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1174213, 2348426, 4696852, 8219491, 9393704, 16438982, 18787408, 32877964, 65755928, 131511856]

約数ペア:

[(1, 131511856), (2, 65755928), (4, 32877964), (7, 18787408), (8, 16438982), (14, 9393704), (16, 8219491), (28, 4696852), (56, 2348426), (112, 1174213)]