28399255

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3457}}^1$

素因数の和:3546

約数の個数: 16

約数和(自身を含む): 35852544

約数和(自身を除く): 7453289

約数列:

[1, 5, 31, 53, 155, 265, 1643, 3457, 8215, 17285, 107167, 183221, 535835, 916105, 5679851, 28399255]

約数ペア:

[(1, 28399255), (5, 5679851), (31, 916105), (53, 535835), (155, 183221), (265, 107167), (1643, 17285), (3457, 8215)]