28403316

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^2\times {\mathrm{821}}^1$

素因数の和:893

約数の個数: 54

約数和(自身を含む): 74278386

約数和(自身を除く): 45875070

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 821, 961, 1116, 1642, 1922, 2463, 2883, 3284, 3844, 4926, 5766, 7389, 8649, 9852, 11532, 14778, 17298, 25451, 29556, 34596, 50902, 76353, 101804, 152706, 229059, 305412, 458118, 788981, 916236, 1577962, 2366943, 3155924, 4733886, 7100829, 9467772, 14201658, 28403316]

約数ペア:

[(1, 28403316), (2, 14201658), (3, 9467772), (4, 7100829), (6, 4733886), (9, 3155924), (12, 2366943), (18, 1577962), (31, 916236), (36, 788981), (62, 458118), (93, 305412), (124, 229059), (186, 152706), (279, 101804), (372, 76353), (558, 50902), (821, 34596), (961, 29556), (1116, 25451), (1642, 17298), (1922, 14778), (2463, 11532), (2883, 9852), (3284, 8649), (3844, 7389), (4926, 5766)]