28003894

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{1697}}^1$

素因数の和:1959

約数の個数: 16

約数和(自身を含む): 43360128

約数和(自身を除く): 15356234

約数列:

[1, 2, 37, 74, 223, 446, 1697, 3394, 8251, 16502, 62789, 125578, 378431, 756862, 14001947, 28003894]

約数ペア:

[(1, 28003894), (2, 14001947), (37, 756862), (74, 378431), (223, 125578), (446, 62789), (1697, 16502), (3394, 8251)]