28981442

素因数分解:

$2^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 51408000

約数和(自身を除く): 22426558

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 343, 509, 581, 686, 1018, 1162, 3563, 4067, 7126, 8134, 24941, 28469, 42247, 49882, 56938, 84494, 174587, 295729, 349174, 591458, 2070103, 4140206, 14490721, 28981442]

約数ペア:

[(1, 28981442), (2, 14490721), (7, 4140206), (14, 2070103), (49, 591458), (83, 349174), (98, 295729), (166, 174587), (343, 84494), (509, 56938), (581, 49882), (686, 42247), (1018, 28469), (1162, 24941), (3563, 8134), (4067, 7126)]