28491235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4721}}^1$

素因数の和:4814

約数の個数: 16

約数和(自身を含む): 36718272

約数和(自身を除く): 8227037

約数列:

[1, 5, 17, 71, 85, 355, 1207, 4721, 6035, 23605, 80257, 335191, 401285, 1675955, 5698247, 28491235]

約数ペア:

[(1, 28491235), (5, 5698247), (17, 1675955), (71, 401285), (85, 335191), (355, 80257), (1207, 23605), (4721, 6035)]