71581741

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1669}}^1$

素因数の和:2244

約数の個数: 16

約数和(自身を含む): 89458560

約数和(自身を除く): 17876819

約数列:

[1, 7, 11, 77, 557, 1669, 3899, 6127, 11683, 18359, 42889, 128513, 929633, 6507431, 10225963, 71581741]

約数ペア:

[(1, 71581741), (7, 10225963), (11, 6507431), (77, 929633), (557, 128513), (1669, 42889), (3899, 18359), (6127, 11683)]