78729776

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{7121}}^1$

素因数の和:7820

約数の個数: 20

約数和(自身を含む): 152781144

約数和(自身を除く): 74051368

約数列:

[1, 2, 4, 8, 16, 691, 1382, 2764, 5528, 7121, 11056, 14242, 28484, 56968, 113936, 4920611, 9841222, 19682444, 39364888, 78729776]

約数ペア:

[(1, 78729776), (2, 39364888), (4, 19682444), (8, 9841222), (16, 4920611), (691, 113936), (1382, 56968), (2764, 28484), (5528, 14242), (7121, 11056)]