172842172

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{396427}}^1$

素因数の和:396540

約数の個数: 12

約数和(自身を含む): 305249560

約数和(自身を除く): 132407388

約数列:

[1, 2, 4, 109, 218, 436, 396427, 792854, 1585708, 43210543, 86421086, 172842172]

約数ペア:

[(1, 172842172), (2, 86421086), (4, 43210543), (109, 1585708), (218, 792854), (436, 396427)]