26684528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128291}}^1$

素因数の和:128312

約数の個数: 20

約数和(自身を含む): 55678728

約数和(自身を除く): 28994200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128291, 256582, 513164, 1026328, 1667783, 2052656, 3335566, 6671132, 13342264, 26684528]

約数ペア:

[(1, 26684528), (2, 13342264), (4, 6671132), (8, 3335566), (13, 2052656), (16, 1667783), (26, 1026328), (52, 513164), (104, 256582), (208, 128291)]