220775368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{18049}}^1$

素因数の和:18205

約数の個数: 32

約数和(自身を含む): 454860000

約数和(自身を除く): 234084632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 12232, 18049, 36098, 72196, 144392, 198539, 397078, 794156, 1588312, 2508811, 5017622, 10035244, 20070488, 27596921, 55193842, 110387684, 220775368]

約数ペア:

[(1, 220775368), (2, 110387684), (4, 55193842), (8, 27596921), (11, 20070488), (22, 10035244), (44, 5017622), (88, 2508811), (139, 1588312), (278, 794156), (556, 397078), (1112, 198539), (1529, 144392), (3058, 72196), (6116, 36098), (12232, 18049)]