1280775426

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{15727}}^1$

素因数の和:16023

約数の個数: 48

約数和(自身を含む): 2990710656

約数和(自身を除く): 1709935230

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 277, 294, 554, 831, 1662, 1939, 3878, 5817, 11634, 13573, 15727, 27146, 31454, 40719, 47181, 81438, 94362, 110089, 220178, 330267, 660534, 770623, 1541246, 2311869, 4356379, 4623738, 8712758, 13069137, 26138274, 30494653, 60989306, 91483959, 182967918, 213462571, 426925142, 640387713, 1280775426]

約数ペア:

[(1, 1280775426), (2, 640387713), (3, 426925142), (6, 213462571), (7, 182967918), (14, 91483959), (21, 60989306), (42, 30494653), (49, 26138274), (98, 13069137), (147, 8712758), (277, 4623738), (294, 4356379), (554, 2311869), (831, 1541246), (1662, 770623), (1939, 660534), (3878, 330267), (5817, 220178), (11634, 110089), (13573, 94362), (15727, 81438), (27146, 47181), (31454, 40719)]