398652

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 940800

約数和(自身を除く): 542148

約数列:

[1, 2, 3, 4, 6, 12, 139, 239, 278, 417, 478, 556, 717, 834, 956, 1434, 1668, 2868, 33221, 66442, 99663, 132884, 199326, 398652]

約数ペア:

[(1, 398652), (2, 199326), (3, 132884), (4, 99663), (6, 66442), (12, 33221), (139, 2868), (239, 1668), (278, 1434), (417, 956), (478, 834), (556, 717)]