81521264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{463189}}^1$

素因数の和:463208

約数の個数: 20

約数和(自身を含む): 172306680

約数和(自身を除く): 90785416

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 463189, 926378, 1852756, 3705512, 5095079, 7411024, 10190158, 20380316, 40760632, 81521264]

約数ペア:

[(1, 81521264), (2, 40760632), (4, 20380316), (8, 10190158), (11, 7411024), (16, 5095079), (22, 3705512), (44, 1852756), (88, 926378), (176, 463189)]