25639808

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{11783}}^1$

素因数の和:11814

約数の個数: 32

約数和(自身を含む): 54088560

約数和(自身を除く): 28448752

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 11783, 23566, 47132, 94264, 188528, 200311, 377056, 400622, 754112, 801244, 1508224, 1602488, 3204976, 6409952, 12819904, 25639808]

約数ペア:

[(1, 25639808), (2, 12819904), (4, 6409952), (8, 3204976), (16, 1602488), (17, 1508224), (32, 801244), (34, 754112), (64, 400622), (68, 377056), (128, 200311), (136, 188528), (272, 94264), (544, 47132), (1088, 23566), (2176, 11783)]