205125915968

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{45142147}}^1$

素因数の和:45142230

約数の個数: 28

約数和(自身を含む): 412779801312

約数和(自身を除く): 207653885344

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 45142147, 90284294, 180568588, 361137176, 722274352, 1444548704, 2889097408, 3205092437, 6410184874, 12820369748, 25640739496, 51281478992, 102562957984, 205125915968]

約数ペア:

[(1, 205125915968), (2, 102562957984), (4, 51281478992), (8, 25640739496), (16, 12820369748), (32, 6410184874), (64, 3205092437), (71, 2889097408), (142, 1444548704), (284, 722274352), (568, 361137176), (1136, 180568588), (2272, 90284294), (4544, 45142147)]