221238541

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 238178304

約数和(自身を除く): 16939763

約数列:

[1, 23, 47, 103, 1081, 1987, 2369, 4841, 45701, 93389, 111343, 204661, 2147947, 4707203, 9619067, 221238541]

約数ペア:

[(1, 221238541), (23, 9619067), (47, 4707203), (103, 2147947), (1081, 204661), (1987, 111343), (2369, 93389), (4841, 45701)]