2639994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 6082560

約数和(自身を除く): 3442566

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 239, 263, 478, 526, 717, 789, 1434, 1578, 1673, 1841, 3346, 3682, 5019, 5523, 10038, 11046, 62857, 125714, 188571, 377142, 439999, 879998, 1319997, 2639994]

約数ペア:

[(1, 2639994), (2, 1319997), (3, 879998), (6, 439999), (7, 377142), (14, 188571), (21, 125714), (42, 62857), (239, 11046), (263, 10038), (478, 5523), (526, 5019), (717, 3682), (789, 3346), (1434, 1841), (1578, 1673)]