388680655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1103}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 524620800

約数和(自身を除く): 135940145

約数列:

[1, 5, 11, 43, 55, 149, 215, 473, 745, 1103, 1639, 2365, 5515, 6407, 8195, 12133, 32035, 47429, 60665, 70477, 164347, 237145, 352385, 521719, 821735, 1807817, 2608595, 7066921, 9039085, 35334605, 77736131, 388680655]

約数ペア:

[(1, 388680655), (5, 77736131), (11, 35334605), (43, 9039085), (55, 7066921), (149, 2608595), (215, 1807817), (473, 821735), (745, 521719), (1103, 352385), (1639, 237145), (2365, 164347), (5515, 70477), (6407, 60665), (8195, 47429), (12133, 32035)]