208536517

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{1559}}^1$

素因数の和:1860

約数の個数: 16

約数和(自身を含む): 242161920

約数和(自身を除く): 33625403

約数列:

[1, 7, 97, 197, 679, 1379, 1559, 10913, 19109, 133763, 151223, 307123, 1058561, 2149861, 29790931, 208536517]

約数ペア:

[(1, 208536517), (7, 29790931), (97, 2149861), (197, 1058561), (679, 307123), (1379, 151223), (1559, 133763), (10913, 19109)]