69891899

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 95504640

約数和(自身を除く): 25612741

約数列:

[1, 7, 11, 19, 43, 77, 101, 121, 133, 209, 301, 473, 707, 817, 847, 1111, 1463, 1919, 2299, 3311, 4343, 5203, 5719, 7777, 8987, 12221, 13433, 16093, 21109, 30401, 36421, 47773, 62909, 82517, 85547, 98857, 147763, 232199, 334411, 525503, 577619, 691999, 907687, 1625393, 3678521, 6353809, 9984557, 69891899]

約数ペア:

[(1, 69891899), (7, 9984557), (11, 6353809), (19, 3678521), (43, 1625393), (77, 907687), (101, 691999), (121, 577619), (133, 525503), (209, 334411), (301, 232199), (473, 147763), (707, 98857), (817, 85547), (847, 82517), (1111, 62909), (1463, 47773), (1919, 36421), (2299, 30401), (3311, 21109), (4343, 16093), (5203, 13433), (5719, 12221), (7777, 8987)]