28505204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78311}}^1$

素因数の和:78335

約数の個数: 24

約数和(自身を含む): 61396608

約数和(自身を除く): 32891404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 78311, 156622, 313244, 548177, 1018043, 1096354, 2036086, 2192708, 4072172, 7126301, 14252602, 28505204]

約数ペア:

[(1, 28505204), (2, 14252602), (4, 7126301), (7, 4072172), (13, 2192708), (14, 2036086), (26, 1096354), (28, 1018043), (52, 548177), (91, 313244), (182, 156622), (364, 78311)]