1287817874

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1\times {\mathrm{4001}}^1$

素因数の和:4370

約数の個数: 32

約数和(自身を含む): 2242912896

約数和(自身を除く): 955095022

約数列:

[1, 2, 7, 14, 83, 166, 277, 554, 581, 1162, 1939, 3878, 4001, 8002, 22991, 28007, 45982, 56014, 160937, 321874, 332083, 664166, 1108277, 2216554, 2324581, 4649162, 7757939, 15515878, 91986991, 183973982, 643908937, 1287817874]

約数ペア:

[(1, 1287817874), (2, 643908937), (7, 183973982), (14, 91986991), (83, 15515878), (166, 7757939), (277, 4649162), (554, 2324581), (581, 2216554), (1162, 1108277), (1939, 664166), (3878, 332083), (4001, 321874), (8002, 160937), (22991, 56014), (28007, 45982)]