42648944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{205043}}^1$

素因数の和:205064

約数の個数: 20

約数和(自身を含む): 88989096

約数和(自身を除く): 46340152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 205043, 410086, 820172, 1640344, 2665559, 3280688, 5331118, 10662236, 21324472, 42648944]

約数ペア:

[(1, 42648944), (2, 21324472), (4, 10662236), (8, 5331118), (13, 3280688), (16, 2665559), (26, 1640344), (52, 820172), (104, 410086), (208, 205043)]