28517390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1979}}^1$

素因数の和:2128

約数の個数: 32

約数和(自身を含む): 56453760

約数和(自身を除く): 27936370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 1979, 2882, 3958, 7205, 9895, 14410, 19790, 21769, 43538, 108845, 217690, 259249, 518498, 1296245, 2592490, 2851739, 5703478, 14258695, 28517390]

約数ペア:

[(1, 28517390), (2, 14258695), (5, 5703478), (10, 2851739), (11, 2592490), (22, 1296245), (55, 518498), (110, 259249), (131, 217690), (262, 108845), (655, 43538), (1310, 21769), (1441, 19790), (1979, 14410), (2882, 9895), (3958, 7205)]