87471164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1987981}}^1$

素因数の和:1987996

約数の個数: 12

約数和(自身を含む): 166990488

約数和(自身を除く): 79519324

約数列:

[1, 2, 4, 11, 22, 44, 1987981, 3975962, 7951924, 21867791, 43735582, 87471164]

約数ペア:

[(1, 87471164), (2, 43735582), (4, 21867791), (11, 7951924), (22, 3975962), (44, 1987981)]