218424514

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61667}}^1$

素因数の和:61710

約数の個数: 32

約数和(自身を含む): 426249216

約数和(自身を除く): 207824702

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 61667, 123334, 431669, 678337, 863338, 1356674, 1418341, 2836682, 4748359, 9496718, 9928387, 15601751, 19856774, 31203502, 109212257, 218424514]

約数ペア:

[(1, 218424514), (2, 109212257), (7, 31203502), (11, 19856774), (14, 15601751), (22, 9928387), (23, 9496718), (46, 4748359), (77, 2836682), (154, 1418341), (161, 1356674), (253, 863338), (322, 678337), (506, 431669), (1771, 123334), (3542, 61667)]