205321805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137339}}^1$

素因数の和:137380

約数の個数: 16

約数和(自身を含む): 276877440

約数和(自身を除く): 71555635

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 137339, 686695, 1785407, 3158797, 8927035, 15793985, 41064361, 205321805]

約数ペア:

[(1, 205321805), (5, 41064361), (13, 15793985), (23, 8927035), (65, 3158797), (115, 1785407), (299, 686695), (1495, 137339)]