2551668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 6996864

約数和(自身を除く): 4445196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 821, 1036, 1554, 1642, 2463, 3108, 3284, 4926, 5747, 9852, 11494, 17241, 22988, 30377, 34482, 60754, 68964, 91131, 121508, 182262, 212639, 364524, 425278, 637917, 850556, 1275834, 2551668]

約数ペア:

[(1, 2551668), (2, 1275834), (3, 850556), (4, 637917), (6, 425278), (7, 364524), (12, 212639), (14, 182262), (21, 121508), (28, 91131), (37, 68964), (42, 60754), (74, 34482), (84, 30377), (111, 22988), (148, 17241), (222, 11494), (259, 9852), (444, 5747), (518, 4926), (777, 3284), (821, 3108), (1036, 2463), (1554, 1642)]