289326317

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 353869824

約数和(自身を除く): 64543507

約数列:

[1, 7, 31, 43, 101, 217, 301, 307, 707, 1333, 2149, 3131, 4343, 9331, 9517, 13201, 21917, 30401, 31007, 66619, 92407, 134633, 217049, 409231, 942431, 961217, 1333301, 2864617, 6728519, 9333107, 41332331, 289326317]

約数ペア:

[(1, 289326317), (7, 41332331), (31, 9333107), (43, 6728519), (101, 2864617), (217, 1333301), (301, 961217), (307, 942431), (707, 409231), (1333, 217049), (2149, 134633), (3131, 92407), (4343, 66619), (9331, 31007), (9517, 30401), (13201, 21917)]