85508990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1221557}}^1$

素因数の和:1221571

約数の個数: 16

約数和(自身を含む): 175904352

約数和(自身を除く): 90395362

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1221557, 2443114, 6107785, 8550899, 12215570, 17101798, 42754495, 85508990]

約数ペア:

[(1, 85508990), (2, 42754495), (5, 17101798), (7, 12215570), (10, 8550899), (14, 6107785), (35, 2443114), (70, 1221557)]