28317025

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 41390208

約数和(自身を除く): 13073183

約数列:

[1, 5, 11, 23, 25, 37, 55, 115, 121, 185, 253, 275, 407, 575, 605, 851, 925, 1265, 1331, 2035, 2783, 3025, 4255, 4477, 6325, 6655, 9361, 10175, 13915, 21275, 22385, 30613, 33275, 46805, 49247, 69575, 102971, 111925, 153065, 234025, 246235, 514855, 765325, 1132681, 1231175, 2574275, 5663405, 28317025]

約数ペア:

[(1, 28317025), (5, 5663405), (11, 2574275), (23, 1231175), (25, 1132681), (37, 765325), (55, 514855), (115, 246235), (121, 234025), (185, 153065), (253, 111925), (275, 102971), (407, 69575), (575, 49247), (605, 46805), (851, 33275), (925, 30613), (1265, 22385), (1331, 21275), (2035, 13915), (2783, 10175), (3025, 9361), (4255, 6655), (4477, 6325)]