281603868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257879}}^1$

素因数の和:257906

約数の個数: 48

約数和(自身を含む): 808711680

約数和(自身を除く): 527107812

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 257879, 515758, 773637, 1031516, 1547274, 1805153, 3094548, 3352427, 3610306, 5415459, 6704854, 7220612, 10057281, 10830918, 13409708, 20114562, 21661836, 23466989, 40229124, 46933978, 70400967, 93867956, 140801934, 281603868]

約数ペア:

[(1, 281603868), (2, 140801934), (3, 93867956), (4, 70400967), (6, 46933978), (7, 40229124), (12, 23466989), (13, 21661836), (14, 20114562), (21, 13409708), (26, 10830918), (28, 10057281), (39, 7220612), (42, 6704854), (52, 5415459), (78, 3610306), (84, 3352427), (91, 3094548), (156, 1805153), (182, 1547274), (273, 1031516), (364, 773637), (546, 515758), (1092, 257879)]