644651306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{56479}}^1$

素因数の和:56933

約数の個数: 16

約数和(自身を含む): 1043750400

約数和(自身を除く): 399099094

約数列:

[1, 2, 13, 26, 439, 878, 5707, 11414, 56479, 112958, 734227, 1468454, 24794281, 49588562, 322325653, 644651306]

約数ペア:

[(1, 644651306), (2, 322325653), (13, 49588562), (26, 24794281), (439, 1468454), (878, 734227), (5707, 112958), (11414, 56479)]