81570608

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3697}}^1$

素因数の和:3909

約数の個数: 40

約数和(自身を含む): 181586592

約数和(自身を除く): 100015984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1379, 1576, 2758, 3152, 3697, 5516, 7394, 11032, 14788, 22064, 25879, 29576, 51758, 59152, 103516, 207032, 414064, 728309, 1456618, 2913236, 5098163, 5826472, 10196326, 11652944, 20392652, 40785304, 81570608]

約数ペア:

[(1, 81570608), (2, 40785304), (4, 20392652), (7, 11652944), (8, 10196326), (14, 5826472), (16, 5098163), (28, 2913236), (56, 1456618), (112, 728309), (197, 414064), (394, 207032), (788, 103516), (1379, 59152), (1576, 51758), (2758, 29576), (3152, 25879), (3697, 22064), (5516, 14788), (7394, 11032)]