87661744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{288361}}^1$

素因数の和:288388

約数の個数: 20

約数和(自身を含む): 178784440

約数和(自身を除く): 91122696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 288361, 576722, 1153444, 2306888, 4613776, 5478859, 10957718, 21915436, 43830872, 87661744]

約数ペア:

[(1, 87661744), (2, 43830872), (4, 21915436), (8, 10957718), (16, 5478859), (19, 4613776), (38, 2306888), (76, 1153444), (152, 576722), (304, 288361)]