638932

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 1346240

約数和(自身を除く): 707308

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1201, 2402, 4804, 8407, 16814, 22819, 33628, 45638, 91276, 159733, 319466, 638932]

約数ペア:

[(1, 638932), (2, 319466), (4, 159733), (7, 91276), (14, 45638), (19, 33628), (28, 22819), (38, 16814), (76, 8407), (133, 4804), (266, 2402), (532, 1201)]