85355215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 122611104

約数和(自身を除く): 37255889

約数列:

[1, 5, 11, 17, 43, 55, 85, 121, 187, 193, 215, 473, 605, 731, 935, 965, 2057, 2123, 2365, 3281, 3655, 5203, 8041, 8299, 10285, 10615, 16405, 23353, 26015, 36091, 40205, 41495, 88451, 91289, 116765, 141083, 180455, 397001, 442255, 456445, 705415, 1004179, 1551913, 1985005, 5020895, 7759565, 17071043, 85355215]

約数ペア:

[(1, 85355215), (5, 17071043), (11, 7759565), (17, 5020895), (43, 1985005), (55, 1551913), (85, 1004179), (121, 705415), (187, 456445), (193, 442255), (215, 397001), (473, 180455), (605, 141083), (731, 116765), (935, 91289), (965, 88451), (2057, 41495), (2123, 40205), (2365, 36091), (3281, 26015), (3655, 23353), (5203, 16405), (8041, 10615), (8299, 10285)]