28019978

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{117731}}^1$

素因数の和:117757

約数の個数: 16

約数和(自身を含む): 50860224

約数和(自身を除く): 22840246

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 117731, 235462, 824117, 1648234, 2001427, 4002854, 14009989, 28019978]

約数ペア:

[(1, 28019978), (2, 14009989), (7, 4002854), (14, 2001427), (17, 1648234), (34, 824117), (119, 235462), (238, 117731)]