28027778

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{3347}}^1$

素因数の和:3481

約数の個数: 16

約数和(自身を含む): 43390080

約数和(自身を除く): 15362302

約数列:

[1, 2, 53, 79, 106, 158, 3347, 4187, 6694, 8374, 177391, 264413, 354782, 528826, 14013889, 28027778]

約数ペア:

[(1, 28027778), (2, 14013889), (53, 528826), (79, 354782), (106, 264413), (158, 177391), (3347, 8374), (4187, 6694)]