78781730

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{18713}}^1$

素因数の和:19141

約数の個数: 16

約数和(自身を含む): 142151544

約数和(自身を除く): 63369814

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 18713, 37426, 93565, 187130, 7878173, 15756346, 39390865, 78781730]

約数ペア:

[(1, 78781730), (2, 39390865), (5, 15756346), (10, 7878173), (421, 187130), (842, 93565), (2105, 37426), (4210, 18713)]