1980814866

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1291}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 4284065280

約数和(自身を除く): 2303250414

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 313, 626, 817, 939, 1291, 1634, 1878, 2451, 2582, 3873, 4902, 5947, 7746, 11894, 13459, 17841, 24529, 26918, 35682, 40377, 49058, 55513, 73587, 80754, 111026, 147174, 166539, 255721, 333078, 404083, 511442, 767163, 808166, 1054747, 1212249, 1534326, 2109494, 2424498, 3164241, 6328482, 7677577, 15355154, 17375569, 23032731, 34751138, 46065462, 52126707, 104253414, 330135811, 660271622, 990407433, 1980814866]

約数ペア:

[(1, 1980814866), (2, 990407433), (3, 660271622), (6, 330135811), (19, 104253414), (38, 52126707), (43, 46065462), (57, 34751138), (86, 23032731), (114, 17375569), (129, 15355154), (258, 7677577), (313, 6328482), (626, 3164241), (817, 2424498), (939, 2109494), (1291, 1534326), (1634, 1212249), (1878, 1054747), (2451, 808166), (2582, 767163), (3873, 511442), (4902, 404083), (5947, 333078), (7746, 255721), (11894, 166539), (13459, 147174), (17841, 111026), (24529, 80754), (26918, 73587), (35682, 55513), (40377, 49058)]