1640541695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{38651}}^1$

素因数の和:39322

約数の個数: 16

約数和(自身を含む): 2123386272

約数和(自身を除く): 482844577

約数列:

[1, 5, 13, 65, 653, 3265, 8489, 38651, 42445, 193255, 502463, 2512315, 25239103, 126195515, 328108339, 1640541695]

約数ペア:

[(1, 1640541695), (5, 328108339), (13, 126195515), (65, 25239103), (653, 2512315), (3265, 502463), (8489, 193255), (38651, 42445)]