78979568

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{159233}}^1$

素因数の和:159272

約数の個数: 20

約数和(自身を含む): 157960128

約数和(自身を除く): 78980560

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 159233, 318466, 636932, 1273864, 2547728, 4936223, 9872446, 19744892, 39489784, 78979568]

約数ペア:

[(1, 78979568), (2, 39489784), (4, 19744892), (8, 9872446), (16, 4936223), (31, 2547728), (62, 1273864), (124, 636932), (248, 318466), (496, 159233)]