638404416

素因数分解:

$2^6\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9473}}^1$

素因数の和:9510

約数の個数: 140

約数和(自身を含む): 2038217412

約数和(自身を除く): 1399812996

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 192, 208, 216, 234, 288, 312, 324, 351, 416, 432, 468, 576, 624, 648, 702, 832, 864, 936, 1053, 1248, 1296, 1404, 1728, 1872, 2106, 2496, 2592, 2808, 3744, 4212, 5184, 5616, 7488, 8424, 9473, 11232, 16848, 18946, 22464, 28419, 33696, 37892, 56838, 67392, 75784, 85257, 113676, 123149, 151568, 170514, 227352, 246298, 255771, 303136, 341028, 369447, 454704, 492596, 511542, 606272, 682056, 738894, 767313, 909408, 985192, 1023084, 1108341, 1364112, 1477788, 1534626, 1818816, 1970384, 2046168, 2216682, 2728224, 2955576, 3069252, 3325023, 3940768, 4092336, 4433364, 5456448, 5911152, 6138504, 6650046, 7881536, 8184672, 8866728, 9975069, 11822304, 12277008, 13300092, 16369344, 17733456, 19950138, 23644608, 24554016, 26600184, 35466912, 39900276, 49108032, 53200368, 70933824, 79800552, 106400736, 159601104, 212801472, 319202208, 638404416]

約数ペア:

[(1, 638404416), (2, 319202208), (3, 212801472), (4, 159601104), (6, 106400736), (8, 79800552), (9, 70933824), (12, 53200368), (13, 49108032), (16, 39900276), (18, 35466912), (24, 26600184), (26, 24554016), (27, 23644608), (32, 19950138), (36, 17733456), (39, 16369344), (48, 13300092), (52, 12277008), (54, 11822304), (64, 9975069), (72, 8866728), (78, 8184672), (81, 7881536), (96, 6650046), (104, 6138504), (108, 5911152), (117, 5456448), (144, 4433364), (156, 4092336), (162, 3940768), (192, 3325023), (208, 3069252), (216, 2955576), (234, 2728224), (288, 2216682), (312, 2046168), (324, 1970384), (351, 1818816), (416, 1534626), (432, 1477788), (468, 1364112), (576, 1108341), (624, 1023084), (648, 985192), (702, 909408), (832, 767313), (864, 738894), (936, 682056), (1053, 606272), (1248, 511542), (1296, 492596), (1404, 454704), (1728, 369447), (1872, 341028), (2106, 303136), (2496, 255771), (2592, 246298), (2808, 227352), (3744, 170514), (4212, 151568), (5184, 123149), (5616, 113676), (7488, 85257), (8424, 75784), (9473, 67392), (11232, 56838), (16848, 37892), (18946, 33696), (22464, 28419)]