217272385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1567}}^1\times {\mathrm{2521}}^1$

素因数の和:4104

約数の個数: 16

約数和(自身を含む): 284723712

約数和(自身を除く): 67451327

約数列:

[1, 5, 11, 55, 1567, 2521, 7835, 12605, 17237, 27731, 86185, 138655, 3950407, 19752035, 43454477, 217272385]

約数ペア:

[(1, 217272385), (5, 43454477), (11, 19752035), (55, 3950407), (1567, 138655), (2521, 86185), (7835, 27731), (12605, 17237)]