1208845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 1635840

約数和(自身を除く): 426995

約数列:

[1, 5, 11, 31, 55, 155, 341, 709, 1705, 3545, 7799, 21979, 38995, 109895, 241769, 1208845]

約数ペア:

[(1, 1208845), (5, 241769), (11, 109895), (31, 38995), (55, 21979), (155, 7799), (341, 3545), (709, 1705)]