289311572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{1087}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 579059712

約数和(自身を除く): 289748140

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 263, 506, 526, 1012, 1052, 1087, 2174, 2893, 4348, 5786, 6049, 11572, 11957, 12098, 23914, 24196, 25001, 47828, 50002, 66539, 100004, 133078, 266156, 275011, 285881, 550022, 571762, 1100044, 1143524, 3144691, 6289382, 6575263, 12578764, 13150526, 26301052, 72327893, 144655786, 289311572]

約数ペア:

[(1, 289311572), (2, 144655786), (4, 72327893), (11, 26301052), (22, 13150526), (23, 12578764), (44, 6575263), (46, 6289382), (92, 3144691), (253, 1143524), (263, 1100044), (506, 571762), (526, 550022), (1012, 285881), (1052, 275011), (1087, 266156), (2174, 133078), (2893, 100004), (4348, 66539), (5786, 50002), (6049, 47828), (11572, 25001), (11957, 24196), (12098, 23914)]