81212218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{33311}}^1$

素因数の和:33389

約数の個数: 16

約数和(自身を含む): 129517056

約数和(自身を除く): 48304838

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 33311, 66622, 766153, 1532306, 1765483, 3530966, 40606109, 81212218]

約数ペア:

[(1, 81212218), (2, 40606109), (23, 3530966), (46, 1765483), (53, 1532306), (106, 766153), (1219, 66622), (2438, 33311)]