81389224

素因数分解:

$2^3\times 7^1\times {\mathrm{547}}^1\times {\mathrm{2657}}^1$

素因数の和:3217

約数の個数: 32

約数和(自身を含む): 174790080

約数和(自身を除く): 93400856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 547, 1094, 2188, 2657, 3829, 4376, 5314, 7658, 10628, 15316, 18599, 21256, 30632, 37198, 74396, 148792, 1453379, 2906758, 5813516, 10173653, 11627032, 20347306, 40694612, 81389224]

約数ペア:

[(1, 81389224), (2, 40694612), (4, 20347306), (7, 11627032), (8, 10173653), (14, 5813516), (28, 2906758), (56, 1453379), (547, 148792), (1094, 74396), (2188, 37198), (2657, 30632), (3829, 21256), (4376, 18599), (5314, 15316), (7658, 10628)]