28201558

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{26161}}^1$

素因数の和:26188

約数の個数: 24

約数和(自身を含む): 53684424

約数和(自身を除く): 25482866

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 26161, 52322, 183127, 287771, 366254, 575542, 1281889, 2014397, 2563778, 4028794, 14100779, 28201558]

約数ペア:

[(1, 28201558), (2, 14100779), (7, 4028794), (11, 2563778), (14, 2014397), (22, 1281889), (49, 575542), (77, 366254), (98, 287771), (154, 183127), (539, 52322), (1078, 26161)]