254994416

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{388711}}^1$

素因数の和:388760

約数の個数: 20

約数和(自身を含む): 506103024

約数和(自身を除く): 251108608

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 388711, 777422, 1554844, 3109688, 6219376, 15937151, 31874302, 63748604, 127497208, 254994416]

約数ペア:

[(1, 254994416), (2, 127497208), (4, 63748604), (8, 31874302), (16, 15937151), (41, 6219376), (82, 3109688), (164, 1554844), (328, 777422), (656, 388711)]