853121374

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{4447}}^1$

素因数の和:4720

約数の個数: 32

約数和(自身を含む): 1491111936

約数和(自身を除く): 637990562

約数列:

[1, 2, 7, 14, 71, 142, 193, 386, 497, 994, 1351, 2702, 4447, 8894, 13703, 27406, 31129, 62258, 95921, 191842, 315737, 631474, 858271, 1716542, 2210159, 4420318, 6007897, 12015794, 60937241, 121874482, 426560687, 853121374]

約数ペア:

[(1, 853121374), (2, 426560687), (7, 121874482), (14, 60937241), (71, 12015794), (142, 6007897), (193, 4420318), (386, 2210159), (497, 1716542), (994, 858271), (1351, 631474), (2702, 315737), (4447, 191842), (8894, 95921), (13703, 62258), (27406, 31129)]