289881535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5113}}^1$

素因数の和:5187

約数の個数: 32

約数和(自身を含む): 397664640

約数和(自身を除く): 107783105

約数列:

[1, 5, 17, 23, 29, 85, 115, 145, 391, 493, 667, 1955, 2465, 3335, 5113, 11339, 25565, 56695, 86921, 117599, 148277, 434605, 587995, 741385, 1999183, 2520709, 3410371, 9995915, 12603545, 17051855, 57976307, 289881535]

約数ペア:

[(1, 289881535), (5, 57976307), (17, 17051855), (23, 12603545), (29, 9995915), (85, 3410371), (115, 2520709), (145, 1999183), (391, 741385), (493, 587995), (667, 434605), (1955, 148277), (2465, 117599), (3335, 86921), (5113, 56695), (11339, 25565)]