16390972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{24247}}^1$

素因数の和:24277

約数の個数: 18

約数和(自身を含む): 31061688

約数和(自身を除く): 14670716

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 24247, 48494, 96988, 315211, 630422, 1260844, 4097743, 8195486, 16390972]

約数ペア:

[(1, 16390972), (2, 8195486), (4, 4097743), (13, 1260844), (26, 630422), (52, 315211), (169, 96988), (338, 48494), (676, 24247)]