66065168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317621}}^1$

素因数の和:317642

約数の個数: 20

約数和(自身を含む): 137847948

約数和(自身を除く): 71782780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317621, 635242, 1270484, 2540968, 4129073, 5081936, 8258146, 16516292, 33032584, 66065168]

約数ペア:

[(1, 66065168), (2, 33032584), (4, 16516292), (8, 8258146), (13, 5081936), (16, 4129073), (26, 2540968), (52, 1270484), (104, 635242), (208, 317621)]