815065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 1064448

約数和(自身を除く): 249383

約数列:

[1, 5, 17, 43, 85, 215, 223, 731, 1115, 3655, 3791, 9589, 18955, 47945, 163013, 815065]

約数ペア:

[(1, 815065), (5, 163013), (17, 47945), (43, 18955), (85, 9589), (215, 3791), (223, 3655), (731, 1115)]