26407888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{126961}}^1$

素因数の和:126982

約数の個数: 20

約数和(自身を含む): 55101508

約数和(自身を除く): 28693620

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 126961, 253922, 507844, 1015688, 1650493, 2031376, 3300986, 6601972, 13203944, 26407888]

約数ペア:

[(1, 26407888), (2, 13203944), (4, 6601972), (8, 3300986), (13, 2031376), (16, 1650493), (26, 1015688), (52, 507844), (104, 253922), (208, 126961)]