28215728

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{9743}}^1$

素因数の和:9932

約数の個数: 20

約数和(自身を含む): 54975648

約数和(自身を除く): 26759920

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 9743, 19486, 38972, 77944, 155888, 1763483, 3526966, 7053932, 14107864, 28215728]

約数ペア:

[(1, 28215728), (2, 14107864), (4, 7053932), (8, 3526966), (16, 1763483), (181, 155888), (362, 77944), (724, 38972), (1448, 19486), (2896, 9743)]