209128535

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 349332480

約数和(自身を除く): 140203945

約数列:

[1, 5, 7, 11, 19, 23, 35, 55, 77, 95, 113, 115, 121, 133, 161, 209, 253, 385, 437, 565, 605, 665, 791, 805, 847, 1045, 1243, 1265, 1463, 1771, 2147, 2185, 2299, 2599, 2783, 3059, 3955, 4235, 4807, 6215, 7315, 8701, 8855, 10735, 11495, 12995, 13673, 13915, 15029, 15295, 16093, 18193, 19481, 23617, 24035, 28589, 33649, 43505, 49381, 52877, 68365, 75145, 80465, 90965, 95711, 97405, 118085, 142945, 165319, 168245, 200123, 246905, 259787, 264385, 314479, 345667, 370139, 478555, 543191, 826595, 1000615, 1298935, 1572395, 1728335, 1818509, 1850695, 2201353, 2715955, 3802337, 5975101, 9092545, 11006765, 19011685, 29875505, 41825707, 209128535]

約数ペア:

[(1, 209128535), (5, 41825707), (7, 29875505), (11, 19011685), (19, 11006765), (23, 9092545), (35, 5975101), (55, 3802337), (77, 2715955), (95, 2201353), (113, 1850695), (115, 1818509), (121, 1728335), (133, 1572395), (161, 1298935), (209, 1000615), (253, 826595), (385, 543191), (437, 478555), (565, 370139), (605, 345667), (665, 314479), (791, 264385), (805, 259787), (847, 246905), (1045, 200123), (1243, 168245), (1265, 165319), (1463, 142945), (1771, 118085), (2147, 97405), (2185, 95711), (2299, 90965), (2599, 80465), (2783, 75145), (3059, 68365), (3955, 52877), (4235, 49381), (4807, 43505), (6215, 33649), (7315, 28589), (8701, 24035), (8855, 23617), (10735, 19481), (11495, 18193), (12995, 16093), (13673, 15295), (13915, 15029)]