208519668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4783}}^1$

素因数の和:4973

約数の個数: 72

約数和(自身を含む): 605998848

約数和(自身を除く): 397479180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 173, 252, 346, 519, 692, 1038, 1211, 1557, 2076, 2422, 3114, 3633, 4783, 4844, 6228, 7266, 9566, 10899, 14349, 14532, 19132, 21798, 28698, 33481, 43047, 43596, 57396, 66962, 86094, 100443, 133924, 172188, 200886, 301329, 401772, 602658, 827459, 1205316, 1654918, 2482377, 3309836, 4964754, 5792213, 7447131, 9929508, 11584426, 14894262, 17376639, 23168852, 29788524, 34753278, 52129917, 69506556, 104259834, 208519668]

約数ペア:

[(1, 208519668), (2, 104259834), (3, 69506556), (4, 52129917), (6, 34753278), (7, 29788524), (9, 23168852), (12, 17376639), (14, 14894262), (18, 11584426), (21, 9929508), (28, 7447131), (36, 5792213), (42, 4964754), (63, 3309836), (84, 2482377), (126, 1654918), (173, 1205316), (252, 827459), (346, 602658), (519, 401772), (692, 301329), (1038, 200886), (1211, 172188), (1557, 133924), (2076, 100443), (2422, 86094), (3114, 66962), (3633, 57396), (4783, 43596), (4844, 43047), (6228, 33481), (7266, 28698), (9566, 21798), (10899, 19132), (14349, 14532)]