40037998

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2897

約数の個数: 48

約数和(自身を含む): 82104624

約数和(自身を除く): 42066626

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 1001, 1078, 1274, 2002, 2857, 5714, 7007, 14014, 19999, 31427, 37141, 39998, 62854, 74282, 139993, 219989, 259987, 279986, 408551, 439978, 519974, 817102, 1539923, 1819909, 2859857, 3079846, 3639818, 5719714, 20018999, 40037998]

約数ペア:

[(1, 40037998), (2, 20018999), (7, 5719714), (11, 3639818), (13, 3079846), (14, 2859857), (22, 1819909), (26, 1539923), (49, 817102), (77, 519974), (91, 439978), (98, 408551), (143, 279986), (154, 259987), (182, 219989), (286, 139993), (539, 74282), (637, 62854), (1001, 39998), (1078, 37141), (1274, 31427), (2002, 19999), (2857, 14014), (5714, 7007)]