254893990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{32143}}^1$

素因数の和:32224

約数の個数: 32

約数和(自身を含む): 502217856

約数和(自身を除く): 247323866

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 32143, 64286, 160715, 321430, 417859, 835718, 1960723, 2089295, 3921446, 4178590, 9803615, 19607230, 25489399, 50978798, 127446995, 254893990]

約数ペア:

[(1, 254893990), (2, 127446995), (5, 50978798), (10, 25489399), (13, 19607230), (26, 9803615), (61, 4178590), (65, 3921446), (122, 2089295), (130, 1960723), (305, 835718), (610, 417859), (793, 321430), (1586, 160715), (3965, 64286), (7930, 32143)]