281639502

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 618883200

約数和(自身を除く): 337243698

約数列:

[1, 2, 3, 6, 9, 18, 149, 173, 298, 346, 447, 519, 607, 894, 1038, 1214, 1341, 1557, 1821, 2682, 3114, 3642, 5463, 10926, 25777, 51554, 77331, 90443, 105011, 154662, 180886, 210022, 231993, 271329, 315033, 463986, 542658, 630066, 813987, 945099, 1627974, 1890198, 15646639, 31293278, 46939917, 93879834, 140819751, 281639502]

約数ペア:

[(1, 281639502), (2, 140819751), (3, 93879834), (6, 46939917), (9, 31293278), (18, 15646639), (149, 1890198), (173, 1627974), (298, 945099), (346, 813987), (447, 630066), (519, 542658), (607, 463986), (894, 315033), (1038, 271329), (1214, 231993), (1341, 210022), (1557, 180886), (1821, 154662), (2682, 105011), (3114, 90443), (3642, 77331), (5463, 51554), (10926, 25777)]