201601988

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 413952000

約数和(自身を除く): 212350012

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 307, 329, 499, 614, 658, 998, 1228, 1316, 1996, 2149, 3493, 4298, 6986, 8596, 13972, 14429, 23453, 28858, 46906, 57716, 93812, 101003, 153193, 164171, 202006, 306386, 328342, 404012, 612772, 656684, 1072351, 2144702, 4289404, 7200071, 14400142, 28800284, 50400497, 100800994, 201601988]

約数ペア:

[(1, 201601988), (2, 100800994), (4, 50400497), (7, 28800284), (14, 14400142), (28, 7200071), (47, 4289404), (94, 2144702), (188, 1072351), (307, 656684), (329, 612772), (499, 404012), (614, 328342), (658, 306386), (998, 202006), (1228, 164171), (1316, 153193), (1996, 101003), (2149, 93812), (3493, 57716), (4298, 46906), (6986, 28858), (8596, 23453), (13972, 14429)]