289323839

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{6421}}^1$

素因数の和:6626

約数の個数: 16

約数和(自身を含む): 340931136

約数和(自身を除く): 51607297

約数列:

[1, 7, 41, 157, 287, 1099, 6421, 6437, 44947, 45059, 263261, 1008097, 1842827, 7056679, 41331977, 289323839]

約数ペア:

[(1, 289323839), (7, 41331977), (41, 7056679), (157, 1842827), (287, 1008097), (1099, 263261), (6421, 45059), (6437, 44947)]