2978128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{10949}}^1$

素因数の和:10974

約数の個数: 20

約数和(自身を含む): 6110100

約数和(自身を除く): 3131972

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 10949, 21898, 43796, 87592, 175184, 186133, 372266, 744532, 1489064, 2978128]

約数ペア:

[(1, 2978128), (2, 1489064), (4, 744532), (8, 372266), (16, 186133), (17, 175184), (34, 87592), (68, 43796), (136, 21898), (272, 10949)]