1640986496

素因数分解:

$2^7\times {\mathrm{1153}}^1\times {\mathrm{11119}}^1$

素因数の和:12286

約数の個数: 32

約数和(自身を含む): 3272282400

約数和(自身を除く): 1631295904

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1153, 2306, 4612, 9224, 11119, 18448, 22238, 36896, 44476, 73792, 88952, 147584, 177904, 355808, 711616, 1423232, 12820207, 25640414, 51280828, 102561656, 205123312, 410246624, 820493248, 1640986496]

約数ペア:

[(1, 1640986496), (2, 820493248), (4, 410246624), (8, 205123312), (16, 102561656), (32, 51280828), (64, 25640414), (128, 12820207), (1153, 1423232), (2306, 711616), (4612, 355808), (9224, 177904), (11119, 147584), (18448, 88952), (22238, 73792), (36896, 44476)]