28649306

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 51625728

約数和(自身を除く): 22976422

約数列:

[1, 2, 7, 14, 23, 46, 161, 193, 322, 386, 461, 922, 1351, 2702, 3227, 4439, 6454, 8878, 10603, 21206, 31073, 62146, 74221, 88973, 148442, 177946, 622811, 1245622, 2046379, 4092758, 14324653, 28649306]

約数ペア:

[(1, 28649306), (2, 14324653), (7, 4092758), (14, 2046379), (23, 1245622), (46, 622811), (161, 177946), (193, 148442), (322, 88973), (386, 74221), (461, 62146), (922, 31073), (1351, 21206), (2702, 10603), (3227, 8878), (4439, 6454)]