205879972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{13751}}^1$

素因数の和:13971

約数の個数: 24

約数和(自身を含む): 381205440

約数和(自身を除く): 175325468

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 3743, 7486, 13751, 14972, 27502, 55004, 261269, 522538, 1045076, 2708947, 5417894, 10835788, 51469993, 102939986, 205879972]

約数ペア:

[(1, 205879972), (2, 102939986), (4, 51469993), (19, 10835788), (38, 5417894), (76, 2708947), (197, 1045076), (394, 522538), (788, 261269), (3743, 55004), (7486, 27502), (13751, 14972)]