215996815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61979}}^1$

素因数の和:62042

約数の個数: 16

約数和(自身を含む): 281141280

約数和(自身を除く): 65144465

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 61979, 309895, 1053643, 2541139, 5268215, 12705695, 43199363, 215996815]

約数ペア:

[(1, 215996815), (5, 43199363), (17, 12705695), (41, 5268215), (85, 2541139), (205, 1053643), (697, 309895), (3485, 61979)]