268636784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1291523}}^1$

素因数の和:1291544

約数の個数: 20

約数和(自身を含む): 560521416

約数和(自身を除く): 291884632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1291523, 2583046, 5166092, 10332184, 16789799, 20664368, 33579598, 67159196, 134318392, 268636784]

約数ペア:

[(1, 268636784), (2, 134318392), (4, 67159196), (8, 33579598), (13, 20664368), (16, 16789799), (26, 10332184), (52, 5166092), (104, 2583046), (208, 1291523)]