1304905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 1868544

約数和(自身を除く): 563639

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 1621, 8105, 11347, 37283, 56735, 186415, 260981, 1304905]

約数ペア:

[(1, 1304905), (5, 260981), (7, 186415), (23, 56735), (35, 37283), (115, 11347), (161, 8105), (805, 1621)]