28207712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67807}}^1$

素因数の和:67830

約数の個数: 24

約数和(自身を含む): 59806656

約数和(自身を除く): 31598944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 67807, 135614, 271228, 542456, 881491, 1084912, 1762982, 2169824, 3525964, 7051928, 14103856, 28207712]

約数ペア:

[(1, 28207712), (2, 14103856), (4, 7051928), (8, 3525964), (13, 2169824), (16, 1762982), (26, 1084912), (32, 881491), (52, 542456), (104, 271228), (208, 135614), (416, 67807)]