81281504

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{81937}}^1$

素因数の和:81978

約数の個数: 24

約数和(自身を含む): 165187008

約数和(自身を除く): 83905504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 81937, 163874, 327748, 655496, 1310992, 2540047, 2621984, 5080094, 10160188, 20320376, 40640752, 81281504]

約数ペア:

[(1, 81281504), (2, 40640752), (4, 20320376), (8, 10160188), (16, 5080094), (31, 2621984), (32, 2540047), (62, 1310992), (124, 655496), (248, 327748), (496, 163874), (992, 81937)]