81672008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{3851}}^1$

素因数の和:4109

約数の個数: 32

約数和(自身を含む): 167793120

約数和(自身を除く): 86121112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 241, 482, 964, 1928, 2651, 3851, 5302, 7702, 10604, 15404, 21208, 30808, 42361, 84722, 169444, 338888, 928091, 1856182, 3712364, 7424728, 10209001, 20418002, 40836004, 81672008]

約数ペア:

[(1, 81672008), (2, 40836004), (4, 20418002), (8, 10209001), (11, 7424728), (22, 3712364), (44, 1856182), (88, 928091), (241, 338888), (482, 169444), (964, 84722), (1928, 42361), (2651, 30808), (3851, 21208), (5302, 15404), (7702, 10604)]