199569425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{1289}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 270652320

約数和(自身を除く): 71082895

約数列:

[1, 5, 11, 25, 55, 275, 563, 1289, 2815, 6193, 6445, 14075, 14179, 30965, 32225, 70895, 154825, 354475, 725707, 3628535, 7982777, 18142675, 39913885, 199569425]

約数ペア:

[(1, 199569425), (5, 39913885), (11, 18142675), (25, 7982777), (55, 3628535), (275, 725707), (563, 354475), (1289, 154825), (2815, 70895), (6193, 32225), (6445, 30965), (14075, 14179)]