200878987

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 227759616

約数和(自身を除く): 26880629

約数列:

[1, 17, 23, 47, 289, 391, 643, 799, 1081, 6647, 10931, 13583, 14789, 18377, 30221, 185827, 251413, 312409, 513757, 695083, 4274021, 8733869, 11816411, 200878987]

約数ペア:

[(1, 200878987), (17, 11816411), (23, 8733869), (47, 4274021), (289, 695083), (391, 513757), (643, 312409), (799, 251413), (1081, 185827), (6647, 30221), (10931, 18377), (13583, 14789)]