2109193345

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67033}}^1$

素因数の和:67105

約数の個数: 32

約数和(自身を含む): 3088926720

約数和(自身を除く): 979733375

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 899, 1015, 1085, 4495, 6293, 31465, 67033, 335165, 469231, 1943957, 2078023, 2346155, 9719785, 10390115, 13607699, 14546161, 60262667, 68038495, 72730805, 301313335, 421838669, 2109193345]

約数ペア:

[(1, 2109193345), (5, 421838669), (7, 301313335), (29, 72730805), (31, 68038495), (35, 60262667), (145, 14546161), (155, 13607699), (203, 10390115), (217, 9719785), (899, 2346155), (1015, 2078023), (1085, 1943957), (4495, 469231), (6293, 335165), (31465, 67033)]