85144816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{123757}}^1$

素因数の和:123808

約数の個数: 20

約数和(自身を含む): 168805912

約数和(自身を除く): 83661096

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 123757, 247514, 495028, 990056, 1980112, 5321551, 10643102, 21286204, 42572408, 85144816]

約数ペア:

[(1, 85144816), (2, 42572408), (4, 21286204), (8, 10643102), (16, 5321551), (43, 1980112), (86, 990056), (172, 495028), (344, 247514), (688, 123757)]