81555208

素因数分解:

$2^3\times 7^2\times {\mathrm{208049}}^1$

素因数の和:208069

約数の個数: 24

約数和(自身を含む): 177882750

約数和(自身を除く): 96327542

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 208049, 416098, 832196, 1456343, 1664392, 2912686, 5825372, 10194401, 11650744, 20388802, 40777604, 81555208]

約数ペア:

[(1, 81555208), (2, 40777604), (4, 20388802), (7, 11650744), (8, 10194401), (14, 5825372), (28, 2912686), (49, 1664392), (56, 1456343), (98, 832196), (196, 416098), (392, 208049)]