28564739

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 33976320

約数和(自身を除く): 5411581

約数列:

[1, 7, 29, 203, 223, 631, 1561, 4417, 6467, 18299, 45269, 128093, 140713, 984991, 4080677, 28564739]

約数ペア:

[(1, 28564739), (7, 4080677), (29, 984991), (203, 140713), (223, 128093), (631, 45269), (1561, 18299), (4417, 6467)]