28705537

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{521}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 34877952

約数和(自身を除く): 6172415

約数列:

[1, 7, 17, 119, 463, 521, 3241, 3647, 7871, 8857, 55097, 61999, 241223, 1688561, 4100791, 28705537]

約数ペア:

[(1, 28705537), (7, 4100791), (17, 1688561), (119, 241223), (463, 61999), (521, 55097), (3241, 8857), (3647, 7871)]