213752812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1071

約数の個数: 96

約数和(自身を含む): 500756480

約数和(自身を除く): 287003668

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 62, 76, 91, 124, 133, 182, 217, 247, 266, 364, 403, 434, 494, 532, 589, 806, 868, 988, 997, 1178, 1612, 1729, 1994, 2356, 2821, 3458, 3988, 4123, 5642, 6916, 6979, 7657, 8246, 11284, 12961, 13958, 15314, 16492, 18943, 25922, 27916, 30628, 30907, 37886, 51844, 53599, 61814, 75772, 90727, 107198, 123628, 132601, 181454, 214396, 216349, 246259, 265202, 362908, 401791, 432698, 492518, 530404, 587233, 803582, 865396, 985036, 1174466, 1607164, 1723813, 2348932, 2812537, 3447626, 4110631, 5625074, 6895252, 7634029, 8221262, 11250148, 15268058, 16442524, 30536116, 53438203, 106876406, 213752812]

約数ペア:

[(1, 213752812), (2, 106876406), (4, 53438203), (7, 30536116), (13, 16442524), (14, 15268058), (19, 11250148), (26, 8221262), (28, 7634029), (31, 6895252), (38, 5625074), (52, 4110631), (62, 3447626), (76, 2812537), (91, 2348932), (124, 1723813), (133, 1607164), (182, 1174466), (217, 985036), (247, 865396), (266, 803582), (364, 587233), (403, 530404), (434, 492518), (494, 432698), (532, 401791), (589, 362908), (806, 265202), (868, 246259), (988, 216349), (997, 214396), (1178, 181454), (1612, 132601), (1729, 123628), (1994, 107198), (2356, 90727), (2821, 75772), (3458, 61814), (3988, 53599), (4123, 51844), (5642, 37886), (6916, 30907), (6979, 30628), (7657, 27916), (8246, 25922), (11284, 18943), (12961, 16492), (13958, 15314)]