28205784

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{12637}}^1$

素因数の和:12680

約数の個数: 48

約数和(自身を含む): 78861120

約数和(自身を除く): 50655336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 12637, 25274, 37911, 50548, 75822, 101096, 113733, 151644, 227466, 303288, 391747, 454932, 783494, 909864, 1175241, 1566988, 2350482, 3133976, 3525723, 4700964, 7051446, 9401928, 14102892, 28205784]

約数ペア:

[(1, 28205784), (2, 14102892), (3, 9401928), (4, 7051446), (6, 4700964), (8, 3525723), (9, 3133976), (12, 2350482), (18, 1566988), (24, 1175241), (31, 909864), (36, 783494), (62, 454932), (72, 391747), (93, 303288), (124, 227466), (186, 151644), (248, 113733), (279, 101096), (372, 75822), (558, 50548), (744, 37911), (1116, 25274), (2232, 12637)]