28691362

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2137}}^1$

素因数の和:2290

約数の個数: 24

約数和(自身を含む): 50452524

約数和(自身を除く): 21761162

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1918, 2137, 4274, 6713, 13426, 14959, 29918, 104713, 209426, 292769, 585538, 2049383, 4098766, 14345681, 28691362]

約数ペア:

[(1, 28691362), (2, 14345681), (7, 4098766), (14, 2049383), (49, 585538), (98, 292769), (137, 209426), (274, 104713), (959, 29918), (1918, 14959), (2137, 13426), (4274, 6713)]