1289830898

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{30319}}^1$

素因数の和:30649

約数の個数: 16

約数和(自身を含む): 1964736000

約数和(自身を除く): 674905102

約数列:

[1, 2, 89, 178, 239, 478, 21271, 30319, 42542, 60638, 2698391, 5396782, 7246241, 14492482, 644915449, 1289830898]

約数ペア:

[(1, 1289830898), (2, 644915449), (89, 14492482), (178, 7246241), (239, 5396782), (478, 2698391), (21271, 60638), (30319, 42542)]