28821265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2039}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 37895040

約数和(自身を除く): 9073775

約数列:

[1, 5, 11, 55, 257, 1285, 2039, 2827, 10195, 14135, 22429, 112145, 524023, 2620115, 5764253, 28821265]

約数ペア:

[(1, 28821265), (5, 5764253), (11, 2620115), (55, 524023), (257, 112145), (1285, 22429), (2039, 14135), (2827, 10195)]