81964554

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{3529}}^1$

素因数の和:3627

約数の個数: 48

約数和(自身を含む): 193161600

約数和(自身を除く): 111197046

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 79, 98, 147, 158, 237, 294, 474, 553, 1106, 1659, 3318, 3529, 3871, 7058, 7742, 10587, 11613, 21174, 23226, 24703, 49406, 74109, 148218, 172921, 278791, 345842, 518763, 557582, 836373, 1037526, 1672746, 1951537, 3903074, 5854611, 11709222, 13660759, 27321518, 40982277, 81964554]

約数ペア:

[(1, 81964554), (2, 40982277), (3, 27321518), (6, 13660759), (7, 11709222), (14, 5854611), (21, 3903074), (42, 1951537), (49, 1672746), (79, 1037526), (98, 836373), (147, 557582), (158, 518763), (237, 345842), (294, 278791), (474, 172921), (553, 148218), (1106, 74109), (1659, 49406), (3318, 24703), (3529, 23226), (3871, 21174), (7058, 11613), (7742, 10587)]