26559728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127691}}^1$

素因数の和:127712

約数の個数: 20

約数和(自身を含む): 55418328

約数和(自身を除く): 28858600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 127691, 255382, 510764, 1021528, 1659983, 2043056, 3319966, 6639932, 13279864, 26559728]

約数ペア:

[(1, 26559728), (2, 13279864), (4, 6639932), (8, 3319966), (13, 2043056), (16, 1659983), (26, 1021528), (52, 510764), (104, 255382), (208, 127691)]