1243156915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1667}}^1$

素因数の和:1852

約数の個数: 64

約数和(自身を含む): 2017612800

約数和(自身を除く): 774455885

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 149, 385, 455, 715, 745, 1001, 1043, 1639, 1667, 1937, 5005, 5215, 8195, 8335, 9685, 11473, 11669, 13559, 18337, 21307, 21671, 57365, 58345, 67795, 91685, 106535, 108355, 128359, 149149, 151697, 238381, 248383, 641795, 745745, 758485, 1191905, 1241915, 1668667, 1738681, 2732213, 3228979, 8343335, 8693405, 13661065, 16144895, 19125491, 22602853, 35518769, 95627455, 113014265, 177593845, 248631383, 1243156915]

約数ペア:

[(1, 1243156915), (5, 248631383), (7, 177593845), (11, 113014265), (13, 95627455), (35, 35518769), (55, 22602853), (65, 19125491), (77, 16144895), (91, 13661065), (143, 8693405), (149, 8343335), (385, 3228979), (455, 2732213), (715, 1738681), (745, 1668667), (1001, 1241915), (1043, 1191905), (1639, 758485), (1667, 745745), (1937, 641795), (5005, 248383), (5215, 238381), (8195, 151697), (8335, 149149), (9685, 128359), (11473, 108355), (11669, 106535), (13559, 91685), (18337, 67795), (21307, 58345), (21671, 57365)]