221540984

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{54193}}^1$

素因数の和:54279

約数の個数: 32

約数和(自身を含む): 481242720

約数和(自身を除く): 259701736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 54193, 108386, 216772, 379351, 433544, 758702, 1517404, 3034808, 3956089, 7912178, 15824356, 27692623, 31648712, 55385246, 110770492, 221540984]

約数ペア:

[(1, 221540984), (2, 110770492), (4, 55385246), (7, 31648712), (8, 27692623), (14, 15824356), (28, 7912178), (56, 3956089), (73, 3034808), (146, 1517404), (292, 758702), (511, 433544), (584, 379351), (1022, 216772), (2044, 108386), (4088, 54193)]