81784472

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1289}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 193190400

約数和(自身を除く): 111405928

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 103, 154, 206, 308, 412, 616, 721, 824, 1133, 1289, 1442, 2266, 2578, 2884, 4532, 5156, 5768, 7931, 9023, 9064, 10312, 14179, 15862, 18046, 28358, 31724, 36092, 56716, 63448, 72184, 99253, 113432, 132767, 198506, 265534, 397012, 531068, 794024, 929369, 1062136, 1460437, 1858738, 2920874, 3717476, 5841748, 7434952, 10223059, 11683496, 20446118, 40892236, 81784472]

約数ペア:

[(1, 81784472), (2, 40892236), (4, 20446118), (7, 11683496), (8, 10223059), (11, 7434952), (14, 5841748), (22, 3717476), (28, 2920874), (44, 1858738), (56, 1460437), (77, 1062136), (88, 929369), (103, 794024), (154, 531068), (206, 397012), (308, 265534), (412, 198506), (616, 132767), (721, 113432), (824, 99253), (1133, 72184), (1289, 63448), (1442, 56716), (2266, 36092), (2578, 31724), (2884, 28358), (4532, 18046), (5156, 15862), (5768, 14179), (7931, 10312), (9023, 9064)]