28746868

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 51156000

約数和(自身を除く): 22409132

約数列:

[1, 2, 4, 139, 149, 278, 298, 347, 556, 596, 694, 1388, 20711, 41422, 48233, 51703, 82844, 96466, 103406, 192932, 206812, 7186717, 14373434, 28746868]

約数ペア:

[(1, 28746868), (2, 14373434), (4, 7186717), (139, 206812), (149, 192932), (278, 103406), (298, 96466), (347, 82844), (556, 51703), (596, 48233), (694, 41422), (1388, 20711)]