140806897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^3$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 187545600

約数和(自身を除く): 46738703

約数列:

[1, 7, 11, 23, 43, 77, 161, 253, 301, 473, 989, 1771, 1849, 3311, 6923, 10879, 12943, 20339, 42527, 76153, 79507, 142373, 297689, 467797, 556549, 874577, 1828661, 3274579, 6122039, 12800627, 20115271, 140806897]

約数ペア:

[(1, 140806897), (7, 20115271), (11, 12800627), (23, 6122039), (43, 3274579), (77, 1828661), (161, 874577), (253, 556549), (301, 467797), (473, 297689), (989, 142373), (1771, 79507), (1849, 76153), (3311, 42527), (6923, 20339), (10879, 12943)]