81439976

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{607}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 158177280

約数和(自身を除く): 76737304

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 541, 607, 1082, 1214, 2164, 2428, 4328, 4856, 16771, 18817, 33542, 37634, 67084, 75268, 134168, 150536, 328387, 656774, 1313548, 2627096, 10179997, 20359994, 40719988, 81439976]

約数ペア:

[(1, 81439976), (2, 40719988), (4, 20359994), (8, 10179997), (31, 2627096), (62, 1313548), (124, 656774), (248, 328387), (541, 150536), (607, 134168), (1082, 75268), (1214, 67084), (2164, 37634), (2428, 33542), (4328, 18817), (4856, 16771)]