28214690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 59984064

約数和(自身を除く): 31769374

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 811, 994, 1622, 2485, 3479, 4055, 4970, 5677, 6958, 8110, 11354, 17395, 28385, 34790, 39739, 56770, 57581, 79478, 115162, 198695, 287905, 397390, 403067, 575810, 806134, 2015335, 2821469, 4030670, 5642938, 14107345, 28214690]

約数ペア:

[(1, 28214690), (2, 14107345), (5, 5642938), (7, 4030670), (10, 2821469), (14, 2015335), (35, 806134), (49, 575810), (70, 403067), (71, 397390), (98, 287905), (142, 198695), (245, 115162), (355, 79478), (490, 57581), (497, 56770), (710, 39739), (811, 34790), (994, 28385), (1622, 17395), (2485, 11354), (3479, 8110), (4055, 6958), (4970, 5677)]