80779216

素因数分解:

$2^4\times 7^1\times {\mathrm{721243}}^1$

素因数の和:721258

約数の個数: 20

約数和(自身を含む): 178868512

約数和(自身を除く): 98089296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 721243, 1442486, 2884972, 5048701, 5769944, 10097402, 11539888, 20194804, 40389608, 80779216]

約数ペア:

[(1, 80779216), (2, 40389608), (4, 20194804), (7, 11539888), (8, 10097402), (14, 5769944), (16, 5048701), (28, 2884972), (56, 1442486), (112, 721243)]