86817215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{23753}}^1$

素因数の和:23818

約数の個数: 16

約数和(自身を含む): 112879008

約数和(自身を除く): 26061793

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 23753, 118765, 403801, 1021379, 2019005, 5106895, 17363443, 86817215]

約数ペア:

[(1, 86817215), (5, 17363443), (17, 5106895), (43, 2019005), (85, 1021379), (215, 403801), (731, 118765), (3655, 23753)]