123472816

素因数分解:

$2^4\times {\mathrm{809}}^1\times {\mathrm{9539}}^1$

素因数の和:10356

約数の個数: 20

約数和(自身を含む): 239549400

約数和(自身を除く): 116076584

約数列:

[1, 2, 4, 8, 16, 809, 1618, 3236, 6472, 9539, 12944, 19078, 38156, 76312, 152624, 7717051, 15434102, 30868204, 61736408, 123472816]

約数ペア:

[(1, 123472816), (2, 61736408), (4, 30868204), (8, 15434102), (16, 7717051), (809, 152624), (1618, 76312), (3236, 38156), (6472, 19078), (9539, 12944)]