28040236

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16417}}^1$

素因数の和:16489

約数の個数: 24

約数和(自身を含む): 57003296

約数和(自身を除く): 28963060

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 16417, 32834, 65668, 114919, 229838, 459676, 1001437, 2002874, 4005748, 7010059, 14020118, 28040236]

約数ペア:

[(1, 28040236), (2, 14020118), (4, 7010059), (7, 4005748), (14, 2002874), (28, 1001437), (61, 459676), (122, 229838), (244, 114919), (427, 65668), (854, 32834), (1708, 16417)]