78627728

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{47711}}^1$

素因数の和:47822

約数の個数: 20

約数和(自身を含む): 153823488

約数和(自身を除く): 75195760

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 47711, 95422, 190844, 381688, 763376, 4914233, 9828466, 19656932, 39313864, 78627728]

約数ペア:

[(1, 78627728), (2, 39313864), (4, 19656932), (8, 9828466), (16, 4914233), (103, 763376), (206, 381688), (412, 190844), (824, 95422), (1648, 47711)]