128230784

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1579

約数の個数: 64

約数和(自身を含む): 283441680

約数和(自身を除く): 155210896

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 128, 176, 244, 352, 488, 671, 704, 976, 1342, 1408, 1493, 1952, 2684, 2986, 3904, 5368, 5972, 7808, 10736, 11944, 16423, 21472, 23888, 32846, 42944, 47776, 65692, 85888, 91073, 95552, 131384, 182146, 191104, 262768, 364292, 525536, 728584, 1001803, 1051072, 1457168, 2003606, 2102144, 2914336, 4007212, 5828672, 8014424, 11657344, 16028848, 32057696, 64115392, 128230784]

約数ペア:

[(1, 128230784), (2, 64115392), (4, 32057696), (8, 16028848), (11, 11657344), (16, 8014424), (22, 5828672), (32, 4007212), (44, 2914336), (61, 2102144), (64, 2003606), (88, 1457168), (122, 1051072), (128, 1001803), (176, 728584), (244, 525536), (352, 364292), (488, 262768), (671, 191104), (704, 182146), (976, 131384), (1342, 95552), (1408, 91073), (1493, 85888), (1952, 65692), (2684, 47776), (2986, 42944), (3904, 32846), (5368, 23888), (5972, 21472), (7808, 16423), (10736, 11944)]