28215484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641261}}^1$

素因数の和:641276

約数の個数: 12

約数和(自身を含む): 53866008

約数和(自身を除く): 25650524

約数列:

[1, 2, 4, 11, 22, 44, 641261, 1282522, 2565044, 7053871, 14107742, 28215484]

約数ペア:

[(1, 28215484), (2, 14107742), (4, 7053871), (11, 2565044), (22, 1282522), (44, 641261)]