1320199478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{570527}}^1$

素因数の和:570631

約数の個数: 16

約数和(自身を含む): 2156595840

約数和(自身を除く): 836396362

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 570527, 1141054, 7416851, 14833702, 50776903, 101553806, 660099739, 1320199478]

約数ペア:

[(1, 1320199478), (2, 660099739), (13, 101553806), (26, 50776903), (89, 14833702), (178, 7416851), (1157, 1141054), (2314, 570527)]