81761470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16451}}^1$

素因数の和:16536

約数の個数: 32

約数和(自身を含む): 170574336

約数和(自身を除く): 88812866

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 16451, 32902, 82255, 115157, 164510, 230314, 575785, 1151570, 1168021, 2336042, 5840105, 8176147, 11680210, 16352294, 40880735, 81761470]

約数ペア:

[(1, 81761470), (2, 40880735), (5, 16352294), (7, 11680210), (10, 8176147), (14, 5840105), (35, 2336042), (70, 1168021), (71, 1151570), (142, 575785), (355, 230314), (497, 164510), (710, 115157), (994, 82255), (2485, 32902), (4970, 16451)]