217817570

素因数分解:

$2^1\times 5^1\times {\mathrm{4021}}^1\times {\mathrm{5417}}^1$

素因数の和:9445

約数の個数: 16

約数和(自身を含む): 392241528

約数和(自身を除く): 174423958

約数列:

[1, 2, 5, 10, 4021, 5417, 8042, 10834, 20105, 27085, 40210, 54170, 21781757, 43563514, 108908785, 217817570]

約数ペア:

[(1, 217817570), (2, 108908785), (5, 43563514), (10, 21781757), (4021, 54170), (5417, 40210), (8042, 27085), (10834, 20105)]