65904464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{216791}}^1$

素因数の和:216818

約数の個数: 20

約数和(自身を含む): 134411040

約数和(自身を除く): 68506576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 216791, 433582, 867164, 1734328, 3468656, 4119029, 8238058, 16476116, 32952232, 65904464]

約数ペア:

[(1, 65904464), (2, 32952232), (4, 16476116), (8, 8238058), (16, 4119029), (19, 3468656), (38, 1734328), (76, 867164), (152, 433582), (304, 216791)]