87277745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{23879}}^1$

素因数の和:23944

約数の個数: 16

約数和(自身を含む): 113477760

約数和(自身を除く): 26200015

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 23879, 119395, 405943, 1026797, 2029715, 5133985, 17455549, 87277745]

約数ペア:

[(1, 87277745), (5, 17455549), (17, 5133985), (43, 2029715), (85, 1026797), (215, 405943), (731, 119395), (3655, 23879)]