397882868

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{1259123}}^1$

素因数の和:1259206

約数の個数: 12

約数和(自身を含む): 705109440

約数和(自身を除く): 307226572

約数列:

[1, 2, 4, 79, 158, 316, 1259123, 2518246, 5036492, 99470717, 198941434, 397882868]

約数ペア:

[(1, 397882868), (2, 198941434), (4, 99470717), (79, 5036492), (158, 2518246), (316, 1259123)]