205125843728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{986181941}}^1$

素因数の和:986181962

約数の個数: 20

約数和(自身を含む): 428002962828

約数和(自身を除く): 222877119100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 986181941, 1972363882, 3944727764, 7889455528, 12820365233, 15778911056, 25640730466, 51281460932, 102562921864, 205125843728]

約数ペア:

[(1, 205125843728), (2, 102562921864), (4, 51281460932), (8, 25640730466), (13, 15778911056), (16, 12820365233), (26, 7889455528), (52, 3944727764), (104, 1972363882), (208, 986181941)]