215143516

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{10657}}^1$

素因数の和:10778

約数の個数: 36

約数和(自身を含む): 442264368

約数和(自身を除く): 227120852

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 1442, 2884, 5047, 10094, 10657, 20188, 21314, 42628, 74599, 149198, 298396, 522193, 1044386, 1097671, 2088772, 2195342, 4390684, 7683697, 15367394, 30734788, 53785879, 107571758, 215143516]

約数ペア:

[(1, 215143516), (2, 107571758), (4, 53785879), (7, 30734788), (14, 15367394), (28, 7683697), (49, 4390684), (98, 2195342), (103, 2088772), (196, 1097671), (206, 1044386), (412, 522193), (721, 298396), (1442, 149198), (2884, 74599), (5047, 42628), (10094, 21314), (10657, 20188)]