87216878

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{17257}}^1$

素因数の和:17304

約数の個数: 24

約数和(自身を含む): 157807152

約数和(自身を除く): 70590274

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 17257, 34514, 120799, 241598, 327883, 655766, 2295181, 4590362, 6229777, 12459554, 43608439, 87216878]

約数ペア:

[(1, 87216878), (2, 43608439), (7, 12459554), (14, 6229777), (19, 4590362), (38, 2295181), (133, 655766), (266, 327883), (361, 241598), (722, 120799), (2527, 34514), (5054, 17257)]