201518384

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{28051}}^1$

素因数の和:28508

約数の個数: 20

約数和(自身を含む): 391325400

約数和(自身を除く): 189807016

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 28051, 56102, 112204, 224408, 448816, 12594899, 25189798, 50379596, 100759192, 201518384]

約数ペア:

[(1, 201518384), (2, 100759192), (4, 50379596), (8, 25189798), (16, 12594899), (449, 448816), (898, 224408), (1796, 112204), (3592, 56102), (7184, 28051)]