90186265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 122322816

約数和(自身を除く): 32136551

約数列:

[1, 5, 13, 41, 43, 65, 205, 215, 533, 559, 787, 1763, 2665, 2795, 3935, 8815, 10231, 22919, 32267, 33841, 51155, 114595, 161335, 169205, 419471, 439933, 1387481, 2097355, 2199665, 6937405, 18037253, 90186265]

約数ペア:

[(1, 90186265), (5, 18037253), (13, 6937405), (41, 2199665), (43, 2097355), (65, 1387481), (205, 439933), (215, 419471), (533, 169205), (559, 161335), (787, 114595), (1763, 51155), (2665, 33841), (2795, 32267), (3935, 22919), (8815, 10231)]