28227732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 73785600

約数和(自身を除く): 45557868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 449, 507, 676, 806, 898, 1014, 1209, 1347, 1612, 1796, 2028, 2418, 2694, 4836, 5239, 5388, 5837, 10478, 11674, 13919, 15717, 17511, 20956, 23348, 27838, 31434, 35022, 41757, 55676, 62868, 70044, 75881, 83514, 151762, 167028, 180947, 227643, 303524, 361894, 455286, 542841, 723788, 910572, 1085682, 2171364, 2352311, 4704622, 7056933, 9409244, 14113866, 28227732]

約数ペア:

[(1, 28227732), (2, 14113866), (3, 9409244), (4, 7056933), (6, 4704622), (12, 2352311), (13, 2171364), (26, 1085682), (31, 910572), (39, 723788), (52, 542841), (62, 455286), (78, 361894), (93, 303524), (124, 227643), (156, 180947), (169, 167028), (186, 151762), (338, 83514), (372, 75881), (403, 70044), (449, 62868), (507, 55676), (676, 41757), (806, 35022), (898, 31434), (1014, 27838), (1209, 23348), (1347, 20956), (1612, 17511), (1796, 15717), (2028, 13919), (2418, 11674), (2694, 10478), (4836, 5837), (5239, 5388)]