81204752

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{30391}}^1$

素因数の和:30566

約数の個数: 20

約数和(自身を含む): 158281536

約数和(自身を除く): 77076784

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 30391, 60782, 121564, 243128, 486256, 5075297, 10150594, 20301188, 40602376, 81204752]

約数ペア:

[(1, 81204752), (2, 40602376), (4, 20301188), (8, 10150594), (16, 5075297), (167, 486256), (334, 243128), (668, 121564), (1336, 60782), (2672, 30391)]