31487989

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 36070272

約数和(自身を除く): 4582283

約数列:

[1, 13, 23, 53, 299, 689, 1219, 1987, 15847, 25831, 45701, 105311, 594113, 1369043, 2422153, 31487989]

約数ペア:

[(1, 31487989), (13, 2422153), (23, 1369043), (53, 594113), (299, 105311), (689, 45701), (1219, 25831), (1987, 15847)]