28380144

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{45481}}^1$

素因数の和:45505

約数の個数: 40

約数和(自身を含む): 78956752

約数和(自身を除く): 50576608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 45481, 90962, 136443, 181924, 272886, 363848, 545772, 591253, 727696, 1091544, 1182506, 1773759, 2183088, 2365012, 3547518, 4730024, 7095036, 9460048, 14190072, 28380144]

約数ペア:

[(1, 28380144), (2, 14190072), (3, 9460048), (4, 7095036), (6, 4730024), (8, 3547518), (12, 2365012), (13, 2183088), (16, 1773759), (24, 1182506), (26, 1091544), (39, 727696), (48, 591253), (52, 545772), (78, 363848), (104, 272886), (156, 181924), (208, 136443), (312, 90962), (624, 45481)]