71223305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1439}}^1$

素因数の和:1984

約数の個数: 16

約数和(自身を含む): 90201600

約数和(自身を除く): 18978295

約数列:

[1, 5, 19, 95, 521, 1439, 2605, 7195, 9899, 27341, 49495, 136705, 749719, 3748595, 14244661, 71223305]

約数ペア:

[(1, 71223305), (5, 14244661), (19, 3748595), (95, 749719), (521, 136705), (1439, 49495), (2605, 27341), (7195, 9899)]