28915159

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5209}}^1$

素因数の和:5290

約数の個数: 16

約数和(自身を含む): 36178240

約数和(自身を除く): 7263081

約数列:

[1, 7, 13, 61, 91, 427, 793, 5209, 5551, 36463, 67717, 317749, 474019, 2224243, 4130737, 28915159]

約数ペア:

[(1, 28915159), (7, 4130737), (13, 2224243), (61, 474019), (91, 317749), (427, 67717), (793, 36463), (5209, 5551)]