638649866

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1510

約数の個数: 32

約数和(自身を含む): 1008624960

約数和(自身を除く): 369975094

約数列:

[1, 2, 41, 59, 82, 101, 118, 202, 1307, 2419, 2614, 4141, 4838, 5959, 8282, 11918, 53587, 77113, 107174, 132007, 154226, 244319, 264014, 488638, 3161633, 5412287, 6323266, 7788413, 10824574, 15576826, 319324933, 638649866]

約数ペア:

[(1, 638649866), (2, 319324933), (41, 15576826), (59, 10824574), (82, 7788413), (101, 6323266), (118, 5412287), (202, 3161633), (1307, 488638), (2419, 264014), (2614, 244319), (4141, 154226), (4838, 132007), (5959, 107174), (8282, 77113), (11918, 53587)]