1221935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1$

素因数の和:1738

約数の個数: 16

約数和(自身を含む): 1723680

約数和(自身を除く): 501745

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 1709, 8545, 18799, 22217, 93995, 111085, 244387, 1221935]

約数ペア:

[(1, 1221935), (5, 244387), (11, 111085), (13, 93995), (55, 22217), (65, 18799), (143, 8545), (715, 1709)]