68718128

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{99881}}^1$

素因数の和:99932

約数の個数: 20

約数和(自身を含む): 136239048

約数和(自身を除く): 67520920

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 99881, 199762, 399524, 799048, 1598096, 4294883, 8589766, 17179532, 34359064, 68718128]

約数ペア:

[(1, 68718128), (2, 34359064), (4, 17179532), (8, 8589766), (16, 4294883), (43, 1598096), (86, 799048), (172, 399524), (344, 199762), (688, 99881)]