204920542

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 326319840

約数和(自身を除く): 121399298

約数列:

[1, 2, 41, 43, 82, 86, 89, 178, 653, 1306, 1763, 3526, 3649, 3827, 7298, 7654, 26773, 28079, 53546, 56158, 58117, 116234, 156907, 313814, 1151239, 2302478, 2382797, 2499031, 4765594, 4998062, 102460271, 204920542]

約数ペア:

[(1, 204920542), (2, 102460271), (41, 4998062), (43, 4765594), (82, 2499031), (86, 2382797), (89, 2302478), (178, 1151239), (653, 313814), (1306, 156907), (1763, 116234), (3526, 58117), (3649, 56158), (3827, 53546), (7298, 28079), (7654, 26773)]