210318619

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 263628800

約数和(自身を除く): 53310181

約数列:

[1, 7, 19, 37, 79, 133, 259, 541, 553, 703, 1501, 2923, 3787, 4921, 10279, 10507, 20017, 20461, 42739, 55537, 71953, 140119, 299173, 380323, 388759, 812041, 1581343, 2662261, 5684287, 11069401, 30045517, 210318619]

約数ペア:

[(1, 210318619), (7, 30045517), (19, 11069401), (37, 5684287), (79, 2662261), (133, 1581343), (259, 812041), (541, 388759), (553, 380323), (703, 299173), (1501, 140119), (2923, 71953), (3787, 55537), (4921, 42739), (10279, 20461), (10507, 20017)]