81116368

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{123653}}^1$

素因数の和:123702

約数の個数: 20

約数和(自身を含む): 160997508

約数和(自身を除く): 79881140

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 123653, 247306, 494612, 989224, 1978448, 5069773, 10139546, 20279092, 40558184, 81116368]

約数ペア:

[(1, 81116368), (2, 40558184), (4, 20279092), (8, 10139546), (16, 5069773), (41, 1978448), (82, 989224), (164, 494612), (328, 247306), (656, 123653)]