72722288

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{105701}}^1$

素因数の和:105752

約数の個数: 20

約数和(自身を含む): 144177528

約数和(自身を除く): 71455240

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 105701, 211402, 422804, 845608, 1691216, 4545143, 9090286, 18180572, 36361144, 72722288]

約数ペア:

[(1, 72722288), (2, 36361144), (4, 18180572), (8, 9090286), (16, 4545143), (43, 1691216), (86, 845608), (172, 422804), (344, 211402), (688, 105701)]