28398188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78017}}^1$

素因数の和:78041

約数の個数: 24

約数和(自身を含む): 61166112

約数和(自身を除く): 32767924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 78017, 156034, 312068, 546119, 1014221, 1092238, 2028442, 2184476, 4056884, 7099547, 14199094, 28398188]

約数ペア:

[(1, 28398188), (2, 14199094), (4, 7099547), (7, 4056884), (13, 2184476), (14, 2028442), (26, 1092238), (28, 1014221), (52, 546119), (91, 312068), (182, 156034), (364, 78017)]