201977765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 285937344

約数和(自身を除く): 83959579

約数列:

[1, 5, 11, 17, 55, 85, 97, 131, 187, 289, 485, 655, 935, 1067, 1441, 1445, 1649, 2227, 3179, 5335, 7205, 8245, 11135, 12707, 15895, 18139, 24497, 28033, 37859, 63535, 90695, 122485, 139777, 140165, 189295, 216019, 308363, 416449, 698885, 1080095, 1541815, 2082245, 2376209, 3672323, 11881045, 18361615, 40395553, 201977765]

約数ペア:

[(1, 201977765), (5, 40395553), (11, 18361615), (17, 11881045), (55, 3672323), (85, 2376209), (97, 2082245), (131, 1541815), (187, 1080095), (289, 698885), (485, 416449), (655, 308363), (935, 216019), (1067, 189295), (1441, 140165), (1445, 139777), (1649, 122485), (2227, 90695), (3179, 63535), (5335, 37859), (7205, 28033), (8245, 24497), (11135, 18139), (12707, 15895)]