77921844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 245952000

約数和(自身を除く): 168030156

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 169, 182, 231, 273, 286, 308, 338, 364, 429, 462, 499, 507, 546, 572, 676, 858, 924, 998, 1001, 1014, 1092, 1183, 1497, 1716, 1859, 1996, 2002, 2028, 2366, 2994, 3003, 3493, 3549, 3718, 4004, 4732, 5489, 5577, 5988, 6006, 6487, 6986, 7098, 7436, 10479, 10978, 11154, 12012, 12974, 13013, 13972, 14196, 16467, 19461, 20958, 21956, 22308, 25948, 26026, 32934, 38423, 38922, 39039, 41916, 45409, 52052, 65868, 71357, 76846, 77844, 78078, 84331, 90818, 115269, 136227, 142714, 153692, 156156, 168662, 181636, 214071, 230538, 252993, 272454, 285428, 337324, 428142, 461076, 499499, 505986, 544908, 590317, 856284, 927641, 998998, 1011972, 1180634, 1498497, 1770951, 1855282, 1997996, 2361268, 2782923, 2996994, 3541902, 3710564, 5565846, 5993988, 6493487, 7083804, 11131692, 12986974, 19480461, 25973948, 38960922, 77921844]

約数ペア:

[(1, 77921844), (2, 38960922), (3, 25973948), (4, 19480461), (6, 12986974), (7, 11131692), (11, 7083804), (12, 6493487), (13, 5993988), (14, 5565846), (21, 3710564), (22, 3541902), (26, 2996994), (28, 2782923), (33, 2361268), (39, 1997996), (42, 1855282), (44, 1770951), (52, 1498497), (66, 1180634), (77, 1011972), (78, 998998), (84, 927641), (91, 856284), (132, 590317), (143, 544908), (154, 505986), (156, 499499), (169, 461076), (182, 428142), (231, 337324), (273, 285428), (286, 272454), (308, 252993), (338, 230538), (364, 214071), (429, 181636), (462, 168662), (499, 156156), (507, 153692), (546, 142714), (572, 136227), (676, 115269), (858, 90818), (924, 84331), (998, 78078), (1001, 77844), (1014, 76846), (1092, 71357), (1183, 65868), (1497, 52052), (1716, 45409), (1859, 41916), (1996, 39039), (2002, 38922), (2028, 38423), (2366, 32934), (2994, 26026), (3003, 25948), (3493, 22308), (3549, 21956), (3718, 20958), (4004, 19461), (4732, 16467), (5489, 14196), (5577, 13972), (5988, 13013), (6006, 12974), (6487, 12012), (6986, 11154), (7098, 10978), (7436, 10479)]