81597445

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 108345600

約数和(自身を除く): 26748155

約数列:

[1, 5, 23, 29, 43, 115, 145, 215, 569, 667, 989, 1247, 2845, 3335, 4945, 6235, 13087, 16501, 24467, 28681, 65435, 82505, 122335, 143405, 379523, 562741, 709543, 1897615, 2813705, 3547715, 16319489, 81597445]

約数ペア:

[(1, 81597445), (5, 16319489), (23, 3547715), (29, 2813705), (43, 1897615), (115, 709543), (145, 562741), (215, 379523), (569, 143405), (667, 122335), (989, 82505), (1247, 65435), (2845, 28681), (3335, 24467), (4945, 16501), (6235, 13087)]