2164415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 32

約数和(自身を含む): 3110400

約数和(自身を除く): 945985

約数列:

[1, 5, 11, 23, 29, 55, 59, 115, 145, 253, 295, 319, 649, 667, 1265, 1357, 1595, 1711, 3245, 3335, 6785, 7337, 8555, 14927, 18821, 36685, 39353, 74635, 94105, 196765, 432883, 2164415]

約数ペア:

[(1, 2164415), (5, 432883), (11, 196765), (23, 94105), (29, 74635), (55, 39353), (59, 36685), (115, 18821), (145, 14927), (253, 8555), (295, 7337), (319, 6785), (649, 3335), (667, 3245), (1265, 1711), (1357, 1595)]