72818128

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{23581}}^1$

素因数の和:23782

約数の個数: 20

約数和(自身を含む): 141822148

約数和(自身を除く): 69004020

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 23581, 47162, 94324, 188648, 377296, 4551133, 9102266, 18204532, 36409064, 72818128]

約数ペア:

[(1, 72818128), (2, 36409064), (4, 18204532), (8, 9102266), (16, 4551133), (193, 377296), (386, 188648), (772, 94324), (1544, 47162), (3088, 23581)]