28131228

素因数分解:

$2^2\times 3^2\times {\mathrm{781423}}^1$

素因数の和:781433

約数の個数: 18

約数和(自身を含む): 71109584

約数和(自身を除く): 42978356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 781423, 1562846, 2344269, 3125692, 4688538, 7032807, 9377076, 14065614, 28131228]

約数ペア:

[(1, 28131228), (2, 14065614), (3, 9377076), (4, 7032807), (6, 4688538), (9, 3125692), (12, 2344269), (18, 1562846), (36, 781423)]