12891344

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{4943}}^1$

素因数の和:5114

約数の個数: 20

約数和(自身を含む): 25135296

約数和(自身を除く): 12243952

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 4943, 9886, 19772, 39544, 79088, 805709, 1611418, 3222836, 6445672, 12891344]

約数ペア:

[(1, 12891344), (2, 6445672), (4, 3222836), (8, 1611418), (16, 805709), (163, 79088), (326, 39544), (652, 19772), (1304, 9886), (2608, 4943)]