81570422

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{1979}}^1$

素因数の和:2575

約数の個数: 16

約数和(自身を含む): 125951760

約数和(自身を除く): 44381338

約数列:

[1, 2, 37, 74, 557, 1114, 1979, 3958, 20609, 41218, 73223, 146446, 1102303, 2204606, 40785211, 81570422]

約数ペア:

[(1, 81570422), (2, 40785211), (37, 2204606), (74, 1102303), (557, 146446), (1114, 73223), (1979, 41218), (3958, 20609)]