66772688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{219647}}^1$

素因数の和:219674

約数の個数: 20

約数和(自身を含む): 136181760

約数和(自身を除く): 69409072

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 219647, 439294, 878588, 1757176, 3514352, 4173293, 8346586, 16693172, 33386344, 66772688]

約数ペア:

[(1, 66772688), (2, 33386344), (4, 16693172), (8, 8346586), (16, 4173293), (19, 3514352), (38, 1757176), (76, 878588), (152, 439294), (304, 219647)]