28781656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{189353}}^1$

素因数の和:189378

約数の個数: 16

約数和(自身を含む): 56806200

約数和(自身を除く): 28024544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 189353, 378706, 757412, 1514824, 3597707, 7195414, 14390828, 28781656]

約数ペア:

[(1, 28781656), (2, 14390828), (4, 7195414), (8, 3597707), (19, 1514824), (38, 757412), (76, 378706), (152, 189353)]