977888884

素因数分解:

$2^2\times 7^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 2202258240

約数和(自身を除く): 1224369356

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 233, 266, 322, 343, 437, 466, 532, 644, 686, 874, 931, 932, 1127, 1372, 1631, 1748, 1862, 2254, 2401, 3059, 3262, 3724, 4427, 4508, 4802, 5359, 6118, 6517, 6524, 7889, 8854, 9604, 10718, 11417, 12236, 13034, 15778, 17708, 21413, 21436, 22834, 26068, 30989, 31556, 37513, 42826, 45619, 45668, 55223, 61978, 75026, 79919, 85652, 91238, 101821, 110446, 123956, 149891, 150052, 159838, 182476, 203642, 216923, 220892, 262591, 299782, 319676, 407284, 433846, 525182, 559433, 599564, 712747, 867692, 1049237, 1050364, 1118866, 1425494, 1518461, 1838137, 2098474, 2237732, 2850988, 3036922, 3676274, 4196948, 4989229, 6073844, 7352548, 9978458, 10629227, 12866959, 19956916, 21258454, 25733918, 34924603, 42516908, 51467836, 69849206, 139698412, 244472221, 488944442, 977888884]

約数ペア:

[(1, 977888884), (2, 488944442), (4, 244472221), (7, 139698412), (14, 69849206), (19, 51467836), (23, 42516908), (28, 34924603), (38, 25733918), (46, 21258454), (49, 19956916), (76, 12866959), (92, 10629227), (98, 9978458), (133, 7352548), (161, 6073844), (196, 4989229), (233, 4196948), (266, 3676274), (322, 3036922), (343, 2850988), (437, 2237732), (466, 2098474), (532, 1838137), (644, 1518461), (686, 1425494), (874, 1118866), (931, 1050364), (932, 1049237), (1127, 867692), (1372, 712747), (1631, 599564), (1748, 559433), (1862, 525182), (2254, 433846), (2401, 407284), (3059, 319676), (3262, 299782), (3724, 262591), (4427, 220892), (4508, 216923), (4802, 203642), (5359, 182476), (6118, 159838), (6517, 150052), (6524, 149891), (7889, 123956), (8854, 110446), (9604, 101821), (10718, 91238), (11417, 85652), (12236, 79919), (13034, 75026), (15778, 61978), (17708, 55223), (21413, 45668), (21436, 45619), (22834, 42826), (26068, 37513), (30989, 31556)]