28787495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5881}}^1$

素因数の和:5986

約数の個数: 16

約数和(自身を含む): 38115360

約数和(自身を除く): 9327865

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 5881, 29405, 64691, 323455, 523409, 2617045, 5757499, 28787495]

約数ペア:

[(1, 28787495), (5, 5757499), (11, 2617045), (55, 523409), (89, 323455), (445, 64691), (979, 29405), (4895, 5881)]