81878390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{32363}}^1$

素因数の和:32404

約数の個数: 32

約数和(自身を含む): 167774976

約数和(自身を除く): 85896586

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 32363, 64726, 161815, 323630, 355993, 711986, 744349, 1488698, 1779965, 3559930, 3721745, 7443490, 8187839, 16375678, 40939195, 81878390]

約数ペア:

[(1, 81878390), (2, 40939195), (5, 16375678), (10, 8187839), (11, 7443490), (22, 3721745), (23, 3559930), (46, 1779965), (55, 1488698), (110, 744349), (115, 711986), (230, 355993), (253, 323630), (506, 161815), (1265, 64726), (2530, 32363)]