128927648

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{257}}^2$

素因数の和:585

約数の個数: 36

約数和(自身を含む): 258995142

約数和(自身を除く): 130067494

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 257, 488, 514, 976, 1028, 1952, 2056, 4112, 8224, 15677, 31354, 62708, 66049, 125416, 132098, 250832, 264196, 501664, 528392, 1056784, 2113568, 4028989, 8057978, 16115956, 32231912, 64463824, 128927648]

約数ペア:

[(1, 128927648), (2, 64463824), (4, 32231912), (8, 16115956), (16, 8057978), (32, 4028989), (61, 2113568), (122, 1056784), (244, 528392), (257, 501664), (488, 264196), (514, 250832), (976, 132098), (1028, 125416), (1952, 66049), (2056, 62708), (4112, 31354), (8224, 15677)]