213989864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{33311}}^1$

素因数の和:33401

約数の個数: 32

約数和(自身を含む): 443715840

約数和(自身を除く): 229725976

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 6424, 33311, 66622, 133244, 266488, 366421, 732842, 1465684, 2431703, 2931368, 4863406, 9726812, 19453624, 26748733, 53497466, 106994932, 213989864]

約数ペア:

[(1, 213989864), (2, 106994932), (4, 53497466), (8, 26748733), (11, 19453624), (22, 9726812), (44, 4863406), (73, 2931368), (88, 2431703), (146, 1465684), (292, 732842), (584, 366421), (803, 266488), (1606, 133244), (3212, 66622), (6424, 33311)]