81520168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{599413}}^1$

素因数の和:599436

約数の個数: 16

約数和(自身を含む): 161841780

約数和(自身を除く): 80321612

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 599413, 1198826, 2397652, 4795304, 10190021, 20380042, 40760084, 81520168]

約数ペア:

[(1, 81520168), (2, 40760084), (4, 20380042), (8, 10190021), (17, 4795304), (34, 2397652), (68, 1198826), (136, 599413)]