709328

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1082

約数の個数: 20

約数和(自身を含む): 1407648

約数和(自身を除く): 698320

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1031, 2062, 4124, 8248, 16496, 44333, 88666, 177332, 354664, 709328]

約数ペア:

[(1, 709328), (2, 354664), (4, 177332), (8, 88666), (16, 44333), (43, 16496), (86, 8248), (172, 4124), (344, 2062), (688, 1031)]