28240888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{709}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 57254400

約数和(自身を除く): 29013512

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 383, 709, 766, 1418, 1532, 2836, 3064, 4979, 5672, 9217, 9958, 18434, 19916, 36868, 39832, 73736, 271547, 543094, 1086188, 2172376, 3530111, 7060222, 14120444, 28240888]

約数ペア:

[(1, 28240888), (2, 14120444), (4, 7060222), (8, 3530111), (13, 2172376), (26, 1086188), (52, 543094), (104, 271547), (383, 73736), (709, 39832), (766, 36868), (1418, 19916), (1532, 18434), (2836, 9958), (3064, 9217), (4979, 5672)]