81172070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1159601}}^1$

素因数の和:1159615

約数の個数: 16

約数和(自身を含む): 166982688

約数和(自身を除く): 85810618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1159601, 2319202, 5798005, 8117207, 11596010, 16234414, 40586035, 81172070]

約数ペア:

[(1, 81172070), (2, 40586035), (5, 16234414), (7, 11596010), (10, 8117207), (14, 5798005), (35, 2319202), (70, 1159601)]