1721072

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:680

約数の個数: 20

約数和(自身を含む): 3355440

約数和(自身を除く): 1634368

約数列:

[1, 2, 4, 8, 16, 263, 409, 526, 818, 1052, 1636, 2104, 3272, 4208, 6544, 107567, 215134, 430268, 860536, 1721072]

約数ペア:

[(1, 1721072), (2, 860536), (4, 430268), (8, 215134), (16, 107567), (263, 6544), (409, 4208), (526, 3272), (818, 2104), (1052, 1636)]