28494851

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19477}}^1$

素因数の和:19514

約数の個数: 16

約数和(自身を含む): 37397760

約数和(自身を除く): 8902909

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 19477, 136339, 214247, 370063, 1499729, 2590441, 4070693, 28494851]

約数ペア:

[(1, 28494851), (7, 4070693), (11, 2590441), (19, 1499729), (77, 370063), (133, 214247), (209, 136339), (1463, 19477)]