26351728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{126691}}^1$

素因数の和:126712

約数の個数: 20

約数和(自身を含む): 54984328

約数和(自身を除く): 28632600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 126691, 253382, 506764, 1013528, 1646983, 2027056, 3293966, 6587932, 13175864, 26351728]

約数ペア:

[(1, 26351728), (2, 13175864), (4, 6587932), (8, 3293966), (13, 2027056), (16, 1646983), (26, 1013528), (52, 506764), (104, 253382), (208, 126691)]