28042175

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6967}}^1$

素因数の和:7007

約数の個数: 24

約数和(自身を含む): 41473536

約数和(自身を除く): 13431361

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 6967, 34835, 48769, 160241, 174175, 243845, 801205, 1121687, 1219225, 4006025, 5608435, 28042175]

約数ペア:

[(1, 28042175), (5, 5608435), (7, 4006025), (23, 1219225), (25, 1121687), (35, 801205), (115, 243845), (161, 174175), (175, 160241), (575, 48769), (805, 34835), (4025, 6967)]