28991155

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{8693}}^1$

素因数の和:8750

約数の個数: 16

約数和(自身を含む): 37558080

約数和(自身を除く): 8566925

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 8693, 43465, 199939, 252097, 999695, 1260485, 5798231, 28991155]

約数ペア:

[(1, 28991155), (5, 5798231), (23, 1260485), (29, 999695), (115, 252097), (145, 199939), (667, 43465), (3335, 8693)]