208040819

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{26371}}^1$

素因数の和:26415

約数の個数: 16

約数和(自身を含む): 253171200

約数和(自身を除く): 45130381

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 26371, 184597, 606533, 1292179, 4245731, 9045253, 29720117, 208040819]

約数ペア:

[(1, 208040819), (7, 29720117), (23, 9045253), (49, 4245731), (161, 1292179), (343, 606533), (1127, 184597), (7889, 26371)]