81346816

素因数分解:

$2^8\times {\mathrm{197}}^1\times {\mathrm{1613}}^1$

素因数の和:1826

約数の個数: 36

約数和(自身を含む): 163301292

約数和(自身を除く): 81954476

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 256, 394, 788, 1576, 1613, 3152, 3226, 6304, 6452, 12608, 12904, 25216, 25808, 50432, 51616, 103232, 206464, 317761, 412928, 635522, 1271044, 2542088, 5084176, 10168352, 20336704, 40673408, 81346816]

約数ペア:

[(1, 81346816), (2, 40673408), (4, 20336704), (8, 10168352), (16, 5084176), (32, 2542088), (64, 1271044), (128, 635522), (197, 412928), (256, 317761), (394, 206464), (788, 103232), (1576, 51616), (1613, 50432), (3152, 25808), (3226, 25216), (6304, 12904), (6452, 12608)]