218218195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{81883}}^1$

素因数の和:81942

約数の個数: 16

約数和(自身を含む): 288886752

約数和(自身を除く): 70668557

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 81883, 409415, 1064479, 3357203, 5322395, 16786015, 43643639, 218218195]

約数ペア:

[(1, 218218195), (5, 43643639), (13, 16786015), (41, 5322395), (65, 3357203), (205, 1064479), (533, 409415), (2665, 81883)]