78969328

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{114781}}^1$

素因数の和:114832

約数の個数: 20

約数和(自身を含む): 156562648

約数和(自身を除く): 77593320

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 114781, 229562, 459124, 918248, 1836496, 4935583, 9871166, 19742332, 39484664, 78969328]

約数ペア:

[(1, 78969328), (2, 39484664), (4, 19742332), (8, 9871166), (16, 4935583), (43, 1836496), (86, 918248), (172, 459124), (344, 229562), (688, 114781)]