81128418

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 192000000

約数和(自身を除く): 110871582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 79, 98, 147, 158, 237, 294, 343, 474, 499, 553, 686, 998, 1029, 1106, 1497, 1659, 2058, 2994, 3318, 3493, 3871, 6986, 7742, 10479, 11613, 20958, 23226, 24451, 27097, 39421, 48902, 54194, 73353, 78842, 81291, 118263, 146706, 162582, 171157, 236526, 275947, 342314, 513471, 551894, 827841, 1026942, 1655682, 1931629, 3863258, 5794887, 11589774, 13521403, 27042806, 40564209, 81128418]

約数ペア:

[(1, 81128418), (2, 40564209), (3, 27042806), (6, 13521403), (7, 11589774), (14, 5794887), (21, 3863258), (42, 1931629), (49, 1655682), (79, 1026942), (98, 827841), (147, 551894), (158, 513471), (237, 342314), (294, 275947), (343, 236526), (474, 171157), (499, 162582), (553, 146706), (686, 118263), (998, 81291), (1029, 78842), (1106, 73353), (1497, 54194), (1659, 48902), (2058, 39421), (2994, 27097), (3318, 24451), (3493, 23226), (3871, 20958), (6986, 11613), (7742, 10479)]