289491306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{7621}}^1$

素因数の和:8126

約数の個数: 32

約数和(自身を含む): 624882048

約数和(自身を除く): 335390742

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 487, 974, 1461, 2922, 6331, 7621, 12662, 15242, 18993, 22863, 37986, 45726, 99073, 198146, 297219, 594438, 3711427, 7422854, 11134281, 22268562, 48248551, 96497102, 144745653, 289491306]

約数ペア:

[(1, 289491306), (2, 144745653), (3, 96497102), (6, 48248551), (13, 22268562), (26, 11134281), (39, 7422854), (78, 3711427), (487, 594438), (974, 297219), (1461, 198146), (2922, 99073), (6331, 45726), (7621, 37986), (12662, 22863), (15242, 18993)]