16220456

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1777}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 34991040

約数和(自身を除く): 18770584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 1777, 2282, 3554, 4564, 7108, 9128, 12439, 14216, 24878, 49756, 99512, 289651, 579302, 1158604, 2027557, 2317208, 4055114, 8110228, 16220456]

約数ペア:

[(1, 16220456), (2, 8110228), (4, 4055114), (7, 2317208), (8, 2027557), (14, 1158604), (28, 579302), (56, 289651), (163, 99512), (326, 49756), (652, 24878), (1141, 14216), (1304, 12439), (1777, 9128), (2282, 7108), (3554, 4564)]