78111308

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{161387}}^1$

素因数の和:161413

約数の個数: 18

約数和(自身を含む): 150252228

約数和(自身を除く): 72140920

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 161387, 322774, 645548, 1775257, 3550514, 7101028, 19527827, 39055654, 78111308]

約数ペア:

[(1, 78111308), (2, 39055654), (4, 19527827), (11, 7101028), (22, 3550514), (44, 1775257), (121, 645548), (242, 322774), (484, 161387)]