38722145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2339}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 59304960

約数和(自身を除く): 20582815

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1505, 2339, 2365, 3311, 11695, 16373, 16555, 25729, 81865, 100577, 128645, 180103, 502885, 704039, 900515, 1106347, 3520195, 5531735, 7744429, 38722145]

約数ペア:

[(1, 38722145), (5, 7744429), (7, 5531735), (11, 3520195), (35, 1106347), (43, 900515), (55, 704039), (77, 502885), (215, 180103), (301, 128645), (385, 100577), (473, 81865), (1505, 25729), (2339, 16555), (2365, 16373), (3311, 11695)]