64381424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211781}}^1$

素因数の和:211808

約数の個数: 20

約数和(自身を含む): 131304840

約数和(自身を除く): 66923416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211781, 423562, 847124, 1694248, 3388496, 4023839, 8047678, 16095356, 32190712, 64381424]

約数ペア:

[(1, 64381424), (2, 32190712), (4, 16095356), (8, 8047678), (16, 4023839), (19, 3388496), (38, 1694248), (76, 847124), (152, 423562), (304, 211781)]