2018987313

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 3304734720

約数和(自身を除く): 1285747407

約数列:

[1, 3, 7, 21, 31, 41, 67, 93, 123, 201, 217, 287, 469, 651, 861, 1129, 1271, 1407, 2077, 2747, 3387, 3813, 6231, 7903, 8241, 8897, 14539, 19229, 23709, 26691, 34999, 43617, 46289, 57687, 75643, 85157, 104997, 138867, 226929, 244993, 255471, 324023, 529501, 596099, 734979, 972069, 1434959, 1588503, 1788297, 2344933, 3101363, 4304877, 7034799, 9304089, 10044713, 16414531, 21709541, 30134139, 49243593, 65128623, 96142253, 288426759, 672995771, 2018987313]

約数ペア:

[(1, 2018987313), (3, 672995771), (7, 288426759), (21, 96142253), (31, 65128623), (41, 49243593), (67, 30134139), (93, 21709541), (123, 16414531), (201, 10044713), (217, 9304089), (287, 7034799), (469, 4304877), (651, 3101363), (861, 2344933), (1129, 1788297), (1271, 1588503), (1407, 1434959), (2077, 972069), (2747, 734979), (3387, 596099), (3813, 529501), (6231, 324023), (7903, 255471), (8241, 244993), (8897, 226929), (14539, 138867), (19229, 104997), (23709, 85157), (26691, 75643), (34999, 57687), (43617, 46289)]