195349784

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{15643}}^1$

素因数の和:15879

約数の個数: 32

約数和(自身を含む): 420510720

約数和(自身を除く): 225160936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1784, 3122, 6244, 12488, 15643, 31286, 62572, 109501, 125144, 219002, 438004, 876008, 3488389, 6976778, 13953556, 24418723, 27907112, 48837446, 97674892, 195349784]

約数ペア:

[(1, 195349784), (2, 97674892), (4, 48837446), (7, 27907112), (8, 24418723), (14, 13953556), (28, 6976778), (56, 3488389), (223, 876008), (446, 438004), (892, 219002), (1561, 125144), (1784, 109501), (3122, 62572), (6244, 31286), (12488, 15643)]