1779895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 2328480

約数和(自身を除く): 548585

約数列:

[1, 5, 13, 65, 139, 197, 695, 985, 1807, 2561, 9035, 12805, 27383, 136915, 355979, 1779895]

約数ペア:

[(1, 1779895), (5, 355979), (13, 136915), (65, 27383), (139, 12805), (197, 9035), (695, 2561), (985, 1807)]