81404864

素因数分解:

$2^6\times {\mathrm{499}}^1\times {\mathrm{2549}}^1$

素因数の和:3060

約数の個数: 28

約数和(自身を含む): 161925000

約数和(自身を除く): 80520136

約数列:

[1, 2, 4, 8, 16, 32, 64, 499, 998, 1996, 2549, 3992, 5098, 7984, 10196, 15968, 20392, 31936, 40784, 81568, 163136, 1271951, 2543902, 5087804, 10175608, 20351216, 40702432, 81404864]

約数ペア:

[(1, 81404864), (2, 40702432), (4, 20351216), (8, 10175608), (16, 5087804), (32, 2543902), (64, 1271951), (499, 163136), (998, 81568), (1996, 40784), (2549, 31936), (3992, 20392), (5098, 15968), (7984, 10196)]