28256210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{479}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 54120960

約数和(自身を除く): 25864750

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 347, 479, 694, 958, 1735, 2395, 3470, 4790, 5899, 8143, 11798, 16286, 29495, 40715, 58990, 81430, 166213, 332426, 831065, 1662130, 2825621, 5651242, 14128105, 28256210]

約数ペア:

[(1, 28256210), (2, 14128105), (5, 5651242), (10, 2825621), (17, 1662130), (34, 831065), (85, 332426), (170, 166213), (347, 81430), (479, 58990), (694, 40715), (958, 29495), (1735, 16286), (2395, 11798), (3470, 8143), (4790, 5899)]