1277897225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 1923626880

約数和(自身を除く): 645729655

約数列:

[1, 5, 11, 17, 25, 41, 55, 59, 85, 113, 187, 205, 275, 295, 425, 451, 565, 649, 697, 935, 1003, 1025, 1243, 1475, 1921, 2255, 2419, 2825, 3245, 3485, 4633, 4675, 5015, 6215, 6667, 7667, 9605, 11033, 11275, 12095, 16225, 17425, 21131, 23165, 25075, 26609, 31075, 33335, 38335, 41123, 48025, 50963, 55165, 60475, 73337, 78761, 105655, 113339, 115825, 133045, 166675, 191675, 205615, 254815, 273347, 275825, 366685, 393805, 452353, 528275, 566695, 665225, 866371, 1028075, 1246729, 1274075, 1366735, 1833425, 1969025, 2261765, 2833475, 3006817, 4331855, 4646899, 6233645, 6833675, 11308825, 15034085, 21659275, 23234495, 31168225, 51115889, 75170425, 116172475, 255579445, 1277897225]

約数ペア:

[(1, 1277897225), (5, 255579445), (11, 116172475), (17, 75170425), (25, 51115889), (41, 31168225), (55, 23234495), (59, 21659275), (85, 15034085), (113, 11308825), (187, 6833675), (205, 6233645), (275, 4646899), (295, 4331855), (425, 3006817), (451, 2833475), (565, 2261765), (649, 1969025), (697, 1833425), (935, 1366735), (1003, 1274075), (1025, 1246729), (1243, 1028075), (1475, 866371), (1921, 665225), (2255, 566695), (2419, 528275), (2825, 452353), (3245, 393805), (3485, 366685), (4633, 275825), (4675, 273347), (5015, 254815), (6215, 205615), (6667, 191675), (7667, 166675), (9605, 133045), (11033, 115825), (11275, 113339), (12095, 105655), (16225, 78761), (17425, 73337), (21131, 60475), (23165, 55165), (25075, 50963), (26609, 48025), (31075, 41123), (33335, 38335)]