81485418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 194400000

約数和(自身を除く): 112914582

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 149, 174, 203, 298, 406, 447, 449, 609, 894, 898, 1043, 1218, 1347, 2086, 2694, 3129, 3143, 4321, 6258, 6286, 8642, 9429, 12963, 13021, 18858, 25926, 26042, 30247, 39063, 60494, 66901, 78126, 90741, 91147, 133802, 181482, 182294, 200703, 273441, 401406, 468307, 546882, 936614, 1404921, 1940129, 2809842, 3880258, 5820387, 11640774, 13580903, 27161806, 40742709, 81485418]

約数ペア:

[(1, 81485418), (2, 40742709), (3, 27161806), (6, 13580903), (7, 11640774), (14, 5820387), (21, 3880258), (29, 2809842), (42, 1940129), (58, 1404921), (87, 936614), (149, 546882), (174, 468307), (203, 401406), (298, 273441), (406, 200703), (447, 182294), (449, 181482), (609, 133802), (894, 91147), (898, 90741), (1043, 78126), (1218, 66901), (1347, 60494), (2086, 39063), (2694, 30247), (3129, 26042), (3143, 25926), (4321, 18858), (6258, 13021), (6286, 12963), (8642, 9429)]