28787915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6067}}^1$

素因数の和:6158

約数の個数: 16

約数和(自身を含む): 37718688

約数和(自身を除く): 8930773

約数列:

[1, 5, 13, 65, 73, 365, 949, 4745, 6067, 30335, 78871, 394355, 442891, 2214455, 5757583, 28787915]

約数ペア:

[(1, 28787915), (5, 5757583), (13, 2214455), (65, 442891), (73, 394355), (365, 78871), (949, 30335), (4745, 6067)]