81220942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1\times {\mathrm{3329}}^1$

素因数の和:4451

約数の個数: 16

約数和(自身を含む): 133066800

約数和(自身を除く): 51845858

約数列:

[1, 2, 11, 22, 1109, 2218, 3329, 6658, 12199, 24398, 36619, 73238, 3691861, 7383722, 40610471, 81220942]

約数ペア:

[(1, 81220942), (2, 40610471), (11, 7383722), (22, 3691861), (1109, 73238), (2218, 36619), (3329, 24398), (6658, 12199)]