28688495

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{47419}}^1$

素因数の和:47446

約数の個数: 12

約数和(自身を含む): 37841160

約数和(自身を除く): 9152665

約数列:

[1, 5, 11, 55, 121, 605, 47419, 237095, 521609, 2608045, 5737699, 28688495]

約数ペア:

[(1, 28688495), (5, 5737699), (11, 2608045), (55, 521609), (121, 237095), (605, 47419)]