51163855

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 62346240

約数和(自身を除く): 11182385

約数列:

[1, 5, 127, 197, 409, 635, 985, 2045, 25019, 51943, 80573, 125095, 259715, 402865, 10232771, 51163855]

約数ペア:

[(1, 51163855), (5, 10232771), (127, 402865), (197, 259715), (409, 125095), (635, 80573), (985, 51943), (2045, 25019)]