216833456

素因数分解:

$2^4\times 7^1\times {\mathrm{491}}^1\times {\mathrm{3943}}^1$

素因数の和:4449

約数の個数: 40

約数和(自身を含む): 481231104

約数和(自身を除く): 264397648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 491, 982, 1964, 3437, 3928, 3943, 6874, 7856, 7886, 13748, 15772, 27496, 27601, 31544, 54992, 55202, 63088, 110404, 220808, 441616, 1936013, 3872026, 7744052, 13552091, 15488104, 27104182, 30976208, 54208364, 108416728, 216833456]

約数ペア:

[(1, 216833456), (2, 108416728), (4, 54208364), (7, 30976208), (8, 27104182), (14, 15488104), (16, 13552091), (28, 7744052), (56, 3872026), (112, 1936013), (491, 441616), (982, 220808), (1964, 110404), (3437, 63088), (3928, 55202), (3943, 54992), (6874, 31544), (7856, 27601), (7886, 27496), (13748, 15772)]