28128251

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 30878496

約数和(自身を除く): 2750245

約数列:

[1, 17, 37, 197, 227, 629, 3349, 3859, 7289, 8399, 44719, 123913, 142783, 760223, 1654603, 28128251]

約数ペア:

[(1, 28128251), (17, 1654603), (37, 760223), (197, 142783), (227, 123913), (629, 44719), (3349, 8399), (3859, 7289)]