28457676

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20269}}^1$

素因数の和:20295

約数の個数: 48

約数和(自身を含む): 79458400

約数和(自身を除く): 51000724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20269, 40538, 60807, 81076, 121614, 182421, 243228, 263497, 364842, 526994, 547263, 729684, 790491, 1053988, 1094526, 1580982, 2189052, 2371473, 3161964, 4742946, 7114419, 9485892, 14228838, 28457676]

約数ペア:

[(1, 28457676), (2, 14228838), (3, 9485892), (4, 7114419), (6, 4742946), (9, 3161964), (12, 2371473), (13, 2189052), (18, 1580982), (26, 1094526), (27, 1053988), (36, 790491), (39, 729684), (52, 547263), (54, 526994), (78, 364842), (108, 263497), (117, 243228), (156, 182421), (234, 121614), (351, 81076), (468, 60807), (702, 40538), (1404, 20269)]