77783888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1372

約数の個数: 80

約数和(自身を含む): 190154496

約数和(自身を除く): 112370608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 328, 364, 533, 574, 656, 728, 1066, 1148, 1303, 1456, 2132, 2296, 2606, 3731, 4264, 4592, 5212, 7462, 8528, 9121, 10424, 14924, 16939, 18242, 20848, 29848, 33878, 36484, 53423, 59696, 67756, 72968, 106846, 118573, 135512, 145936, 213692, 237146, 271024, 373961, 427384, 474292, 694499, 747922, 854768, 948584, 1388998, 1495844, 1897168, 2777996, 2991688, 4861493, 5555992, 5983376, 9722986, 11111984, 19445972, 38891944, 77783888]

約数ペア:

[(1, 77783888), (2, 38891944), (4, 19445972), (7, 11111984), (8, 9722986), (13, 5983376), (14, 5555992), (16, 4861493), (26, 2991688), (28, 2777996), (41, 1897168), (52, 1495844), (56, 1388998), (82, 948584), (91, 854768), (104, 747922), (112, 694499), (164, 474292), (182, 427384), (208, 373961), (287, 271024), (328, 237146), (364, 213692), (533, 145936), (574, 135512), (656, 118573), (728, 106846), (1066, 72968), (1148, 67756), (1303, 59696), (1456, 53423), (2132, 36484), (2296, 33878), (2606, 29848), (3731, 20848), (4264, 18242), (4592, 16939), (5212, 14924), (7462, 10424), (8528, 9121)]