209917309

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{11839}}^1$

素因数の和:12012

約数の個数: 16

約数和(自身を含む): 255744000

約数和(自身を除く): 45826691

約数列:

[1, 7, 17, 119, 149, 1043, 2533, 11839, 17731, 82873, 201263, 1408841, 1764011, 12348077, 29988187, 209917309]

約数ペア:

[(1, 209917309), (7, 29988187), (17, 12348077), (119, 1764011), (149, 1408841), (1043, 201263), (2533, 82873), (11839, 17731)]