81137888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{195043}}^1$

素因数の和:195066

約数の個数: 24

約数和(自身を含む): 172028808

約数和(自身を除く): 90890920

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 195043, 390086, 780172, 1560344, 2535559, 3120688, 5071118, 6241376, 10142236, 20284472, 40568944, 81137888]

約数ペア:

[(1, 81137888), (2, 40568944), (4, 20284472), (8, 10142236), (13, 6241376), (16, 5071118), (26, 3120688), (32, 2535559), (52, 1560344), (104, 780172), (208, 390086), (416, 195043)]