28719985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{35677}}^1$

素因数の和:35712

約数の個数: 16

約数和(自身を含む): 41101056

約数和(自身を除く): 12381071

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 35677, 178385, 249739, 820571, 1248695, 4102855, 5743997, 28719985]

約数ペア:

[(1, 28719985), (5, 5743997), (7, 4102855), (23, 1248695), (35, 820571), (115, 249739), (161, 178385), (805, 35677)]