28621328

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{26699}}^1$

素因数の和:26774

約数の個数: 20

約数和(自身を含む): 56283600

約数和(自身を除く): 27662272

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 26699, 53398, 106796, 213592, 427184, 1788833, 3577666, 7155332, 14310664, 28621328]

約数ペア:

[(1, 28621328), (2, 14310664), (4, 7155332), (8, 3577666), (16, 1788833), (67, 427184), (134, 213592), (268, 106796), (536, 53398), (1072, 26699)]