79171984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{120689}}^1$

素因数の和:120738

約数の個数: 20

約数和(自身を含む): 157138380

約数和(自身を除く): 77966396

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 120689, 241378, 482756, 965512, 1931024, 4948249, 9896498, 19792996, 39585992, 79171984]

約数ペア:

[(1, 79171984), (2, 39585992), (4, 19792996), (8, 9896498), (16, 4948249), (41, 1931024), (82, 965512), (164, 482756), (328, 241378), (656, 120689)]