646408196

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 1406496000

約数和(自身を除く): 760087804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 137, 181, 196, 266, 274, 343, 362, 532, 548, 686, 724, 931, 959, 1267, 1372, 1862, 1918, 2534, 2603, 3439, 3724, 3836, 5068, 5206, 6517, 6713, 6878, 8869, 10412, 13034, 13426, 13756, 17738, 18221, 24073, 24797, 26068, 26852, 35476, 36442, 46991, 48146, 49594, 62083, 72884, 93982, 96292, 99188, 124166, 127547, 168511, 173579, 187964, 248332, 255094, 337022, 347158, 471143, 510188, 674044, 694316, 892829, 942286, 1179577, 1215053, 1785658, 1884572, 2359154, 2430106, 3298001, 3571316, 4718308, 4860212, 6596002, 8505371, 13192004, 17010742, 23086007, 34021484, 46172014, 92344028, 161602049, 323204098, 646408196]

約数ペア:

[(1, 646408196), (2, 323204098), (4, 161602049), (7, 92344028), (14, 46172014), (19, 34021484), (28, 23086007), (38, 17010742), (49, 13192004), (76, 8505371), (98, 6596002), (133, 4860212), (137, 4718308), (181, 3571316), (196, 3298001), (266, 2430106), (274, 2359154), (343, 1884572), (362, 1785658), (532, 1215053), (548, 1179577), (686, 942286), (724, 892829), (931, 694316), (959, 674044), (1267, 510188), (1372, 471143), (1862, 347158), (1918, 337022), (2534, 255094), (2603, 248332), (3439, 187964), (3724, 173579), (3836, 168511), (5068, 127547), (5206, 124166), (6517, 99188), (6713, 96292), (6878, 93982), (8869, 72884), (10412, 62083), (13034, 49594), (13426, 48146), (13756, 46991), (17738, 36442), (18221, 35476), (24073, 26852), (24797, 26068)]