856554418

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{181243}}^1$

素因数の和:181401

約数の個数: 16

約数和(自身を含む): 1370204640

約数和(自身を除く): 513650222

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4726, 181243, 362486, 3081131, 6162262, 25192777, 50385554, 428277209, 856554418]

約数ペア:

[(1, 856554418), (2, 428277209), (17, 50385554), (34, 25192777), (139, 6162262), (278, 3081131), (2363, 362486), (4726, 181243)]