161858785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{599}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 225504000

約数和(自身を除く): 63645215

約数列:

[1, 5, 11, 17, 55, 85, 187, 289, 599, 935, 1445, 2995, 3179, 4913, 6589, 10183, 15895, 24565, 32945, 50915, 54043, 112013, 173111, 270215, 560065, 865555, 1904221, 2942887, 9521105, 14714435, 32371757, 161858785]

約数ペア:

[(1, 161858785), (5, 32371757), (11, 14714435), (17, 9521105), (55, 2942887), (85, 1904221), (187, 865555), (289, 560065), (599, 270215), (935, 173111), (1445, 112013), (2995, 54043), (3179, 50915), (4913, 32945), (6589, 24565), (10183, 15895)]