81510842

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{641}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 144958464

約数和(自身を除く): 63447622

約数列:

[1, 2, 7, 14, 31, 62, 217, 293, 434, 586, 641, 1282, 2051, 4102, 4487, 8974, 9083, 18166, 19871, 39742, 63581, 127162, 139097, 187813, 278194, 375626, 1314691, 2629382, 5822203, 11644406, 40755421, 81510842]

約数ペア:

[(1, 81510842), (2, 40755421), (7, 11644406), (14, 5822203), (31, 2629382), (62, 1314691), (217, 375626), (293, 278194), (434, 187813), (586, 139097), (641, 127162), (1282, 63581), (2051, 39742), (4102, 19871), (4487, 18166), (8974, 9083)]