129197744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{621143}}^1$

素因数の和:621164

約数の個数: 20

約数和(自身を含む): 269576496

約数和(自身を除く): 140378752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 621143, 1242286, 2484572, 4969144, 8074859, 9938288, 16149718, 32299436, 64598872, 129197744]

約数ペア:

[(1, 129197744), (2, 64598872), (4, 32299436), (8, 16149718), (13, 9938288), (16, 8074859), (26, 4969144), (52, 2484572), (104, 1242286), (208, 621143)]