28207504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135613}}^1$

素因数の和:135634

約数の個数: 20

約数和(自身を含む): 58856476

約数和(自身を除く): 30648972

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135613, 271226, 542452, 1084904, 1762969, 2169808, 3525938, 7051876, 14103752, 28207504]

約数ペア:

[(1, 28207504), (2, 14103752), (4, 7051876), (8, 3525938), (13, 2169808), (16, 1762969), (26, 1084904), (52, 542452), (104, 271226), (208, 135613)]