28683725

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2687}}^1$

素因数の和:2765

約数の個数: 24

約数和(自身を含む): 41330688

約数和(自身を除く): 12646963

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 2687, 10675, 13435, 18809, 67175, 94045, 163907, 470225, 819535, 1147349, 4097675, 5736745, 28683725]

約数ペア:

[(1, 28683725), (5, 5736745), (7, 4097675), (25, 1147349), (35, 819535), (61, 470225), (175, 163907), (305, 94045), (427, 67175), (1525, 18809), (2135, 13435), (2687, 10675)]