87740233

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 108993120

約数和(自身を除く): 21252887

約数列:

[1, 7, 19, 49, 73, 133, 511, 931, 1291, 1387, 3577, 9037, 9709, 24529, 63259, 67963, 94243, 171703, 659701, 1201921, 1790617, 4617907, 12534319, 87740233]

約数ペア:

[(1, 87740233), (7, 12534319), (19, 4617907), (49, 1790617), (73, 1201921), (133, 659701), (511, 171703), (931, 94243), (1291, 67963), (1387, 63259), (3577, 24529), (9037, 9709)]