87781196

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{1571}}^1$

素因数の和:1865

約数の個数: 24

約数和(自身を含む): 156917040

約数和(自身を除く): 69135844

約数列:

[1, 2, 4, 61, 122, 229, 244, 458, 916, 1571, 3142, 6284, 13969, 27938, 55876, 95831, 191662, 359759, 383324, 719518, 1439036, 21945299, 43890598, 87781196]

約数ペア:

[(1, 87781196), (2, 43890598), (4, 21945299), (61, 1439036), (122, 719518), (229, 383324), (244, 359759), (458, 191662), (916, 95831), (1571, 55876), (3142, 27938), (6284, 13969)]