64769537

素因数分解:

$7^1\times {\mathrm{19}}^4\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 20

約数和(自身を含む): 79235136

約数和(自身を除く): 14465599

約数列:

[1, 7, 19, 71, 133, 361, 497, 1349, 2527, 6859, 9443, 25631, 48013, 130321, 179417, 486989, 912247, 3408923, 9252791, 64769537]

約数ペア:

[(1, 64769537), (7, 9252791), (19, 3408923), (71, 912247), (133, 486989), (361, 179417), (497, 130321), (1349, 48013), (2527, 25631), (6859, 9443)]