28881328

素因数分解:

$2^4\times 7^1\times {\mathrm{257869}}^1$

素因数の和:257884

約数の個数: 20

約数和(自身を含む): 63951760

約数和(自身を除く): 35070432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 257869, 515738, 1031476, 1805083, 2062952, 3610166, 4125904, 7220332, 14440664, 28881328]

約数ペア:

[(1, 28881328), (2, 14440664), (4, 7220332), (7, 4125904), (8, 3610166), (14, 2062952), (16, 1805083), (28, 1031476), (56, 515738), (112, 257869)]