28512925

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2671}}^1$

素因数の和:2749

約数の個数: 24

約数和(自身を含む): 41084672

約数和(自身を除く): 12571747

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 2671, 10675, 13355, 18697, 66775, 93485, 162931, 467425, 814655, 1140517, 4073275, 5702585, 28512925]

約数ペア:

[(1, 28512925), (5, 5702585), (7, 4073275), (25, 1140517), (35, 814655), (61, 467425), (175, 162931), (305, 93485), (427, 66775), (1525, 18697), (2135, 13355), (2671, 10675)]