81913636

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1439}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 174182400

約数和(自身を除く): 92268764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 107, 133, 214, 266, 428, 532, 749, 1439, 1498, 2033, 2878, 2996, 4066, 5756, 8132, 10073, 14231, 20146, 27341, 28462, 40292, 54682, 56924, 109364, 153973, 191387, 307946, 382774, 615892, 765548, 1077811, 2155622, 2925487, 4311244, 5850974, 11701948, 20478409, 40956818, 81913636]

約数ペア:

[(1, 81913636), (2, 40956818), (4, 20478409), (7, 11701948), (14, 5850974), (19, 4311244), (28, 2925487), (38, 2155622), (76, 1077811), (107, 765548), (133, 615892), (214, 382774), (266, 307946), (428, 191387), (532, 153973), (749, 109364), (1439, 56924), (1498, 54682), (2033, 40292), (2878, 28462), (2996, 27341), (4066, 20146), (5756, 14231), (8132, 10073)]