90400805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1433}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 125549568

約数和(自身を除く): 35148763

約数列:

[1, 5, 11, 31, 37, 55, 155, 185, 341, 407, 1147, 1433, 1705, 2035, 5735, 7165, 12617, 15763, 44423, 53021, 63085, 78815, 222115, 265105, 488653, 583231, 1643651, 2443265, 2916155, 8218255, 18080161, 90400805]

約数ペア:

[(1, 90400805), (5, 18080161), (11, 8218255), (31, 2916155), (37, 2443265), (55, 1643651), (155, 583231), (185, 488653), (341, 265105), (407, 222115), (1147, 78815), (1433, 63085), (1705, 53021), (2035, 44423), (5735, 15763), (7165, 12617)]