84321968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{122561}}^1$

素因数の和:122612

約数の個数: 20

約数和(自身を含む): 167174568

約数和(自身を除く): 82852600

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 122561, 245122, 490244, 980488, 1960976, 5270123, 10540246, 21080492, 42160984, 84321968]

約数ペア:

[(1, 84321968), (2, 42160984), (4, 21080492), (8, 10540246), (16, 5270123), (43, 1960976), (86, 980488), (172, 490244), (344, 245122), (688, 122561)]