278045124496

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{30434011}}^1$

素因数の和:30434590

約数の個数: 20

約数和(自身を含む): 539655900784

約数和(自身を除く): 261610776288

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 4568, 9136, 30434011, 60868022, 121736044, 243472088, 486944176, 17377820281, 34755640562, 69511281124, 139022562248, 278045124496]

約数ペア:

[(1, 278045124496), (2, 139022562248), (4, 69511281124), (8, 34755640562), (16, 17377820281), (571, 486944176), (1142, 243472088), (2284, 121736044), (4568, 60868022), (9136, 30434011)]