28358687

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 33503232

約数和(自身を除く): 5144545

約数列:

[1, 7, 37, 223, 259, 491, 1561, 3437, 8251, 18167, 57757, 109493, 127169, 766451, 4051241, 28358687]

約数ペア:

[(1, 28358687), (7, 4051241), (37, 766451), (223, 127169), (259, 109493), (491, 57757), (1561, 18167), (3437, 8251)]