1021345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 1391040

約数和(自身を除く): 369695

約数列:

[1, 5, 13, 19, 65, 95, 247, 827, 1235, 4135, 10751, 15713, 53755, 78565, 204269, 1021345]

約数ペア:

[(1, 1021345), (5, 204269), (13, 78565), (19, 53755), (65, 15713), (95, 10751), (247, 4135), (827, 1235)]