1680245

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 2345088

約数和(自身を除く): 664843

約数列:

[1, 5, 7, 35, 61, 305, 427, 787, 2135, 3935, 5509, 27545, 48007, 240035, 336049, 1680245]

約数ペア:

[(1, 1680245), (5, 336049), (7, 240035), (35, 48007), (61, 27545), (305, 5509), (427, 3935), (787, 2135)]