28170116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 55434288

約数和(自身を除く): 27264172

約数列:

[1, 2, 4, 13, 26, 41, 52, 73, 82, 146, 164, 181, 292, 362, 533, 724, 949, 1066, 1898, 2132, 2353, 2993, 3796, 4706, 5986, 7421, 9412, 11972, 13213, 14842, 26426, 29684, 38909, 52852, 77818, 96473, 155636, 171769, 192946, 343538, 385892, 541733, 687076, 1083466, 2166932, 7042529, 14085058, 28170116]

約数ペア:

[(1, 28170116), (2, 14085058), (4, 7042529), (13, 2166932), (26, 1083466), (41, 687076), (52, 541733), (73, 385892), (82, 343538), (146, 192946), (164, 171769), (181, 155636), (292, 96473), (362, 77818), (533, 52852), (724, 38909), (949, 29684), (1066, 26426), (1898, 14842), (2132, 13213), (2353, 11972), (2993, 9412), (3796, 7421), (4706, 5986)]