66986084

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{138401}}^1$

素因数の和:138427

約数の個数: 18

約数和(自身を含む): 128852262

約数和(自身を除く): 61866178

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 138401, 276802, 553604, 1522411, 3044822, 6089644, 16746521, 33493042, 66986084]

約数ペア:

[(1, 66986084), (2, 33493042), (4, 16746521), (11, 6089644), (22, 3044822), (44, 1522411), (121, 553604), (242, 276802), (484, 138401)]