28381392

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{15161}}^1$

素因数の和:15188

約数の個数: 60

約数和(自身を含む): 85544004

約数和(自身を除く): 57162612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 15161, 30322, 45483, 60644, 90966, 121288, 136449, 181932, 197093, 242576, 272898, 363864, 394186, 545796, 591279, 727728, 788372, 1091592, 1182558, 1576744, 1773837, 2183184, 2365116, 3153488, 3547674, 4730232, 7095348, 9460464, 14190696, 28381392]

約数ペア:

[(1, 28381392), (2, 14190696), (3, 9460464), (4, 7095348), (6, 4730232), (8, 3547674), (9, 3153488), (12, 2365116), (13, 2183184), (16, 1773837), (18, 1576744), (24, 1182558), (26, 1091592), (36, 788372), (39, 727728), (48, 591279), (52, 545796), (72, 394186), (78, 363864), (104, 272898), (117, 242576), (144, 197093), (156, 181932), (208, 136449), (234, 121288), (312, 90966), (468, 60644), (624, 45483), (936, 30322), (1872, 15161)]