644501492882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2089}}^1\times {\mathrm{11866213}}^1$

素因数の和:11868317

約数の個数: 16

約数和(自身を含む): 1041616264920

約数和(自身を除く): 397114772038

約数列:

[1, 2, 13, 26, 2089, 4178, 27157, 54314, 11866213, 23732426, 154260769, 308521538, 24788518957, 49577037914, 322250746441, 644501492882]

約数ペア:

[(1, 644501492882), (2, 322250746441), (13, 49577037914), (26, 24788518957), (2089, 308521538), (4178, 154260769), (27157, 23732426), (54314, 11866213)]