81726664

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2099}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 159264000

約数和(自身を除く): 77537336

約数列:

[1, 2, 4, 8, 31, 62, 124, 157, 248, 314, 628, 1256, 2099, 4198, 4867, 8396, 9734, 16792, 19468, 38936, 65069, 130138, 260276, 329543, 520552, 659086, 1318172, 2636344, 10215833, 20431666, 40863332, 81726664]

約数ペア:

[(1, 81726664), (2, 40863332), (4, 20431666), (8, 10215833), (31, 2636344), (62, 1318172), (124, 659086), (157, 520552), (248, 329543), (314, 260276), (628, 130138), (1256, 65069), (2099, 38936), (4198, 19468), (4867, 16792), (8396, 9734)]