1820245

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 2521728

約数和(自身を除く): 701483

約数列:

[1, 5, 7, 35, 131, 397, 655, 917, 1985, 2779, 4585, 13895, 52007, 260035, 364049, 1820245]

約数ペア:

[(1, 1820245), (5, 364049), (7, 260035), (35, 52007), (131, 13895), (397, 4585), (655, 2779), (917, 1985)]