81209072

素因数分解:

$2^4\times 7^2\times {\mathrm{103583}}^1$

素因数の和:103605

約数の個数: 30

約数和(自身を含む): 183032928

約数和(自身を除く): 101823856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 103583, 207166, 414332, 725081, 828664, 1450162, 1657328, 2900324, 5075567, 5800648, 10151134, 11601296, 20302268, 40604536, 81209072]

約数ペア:

[(1, 81209072), (2, 40604536), (4, 20302268), (7, 11601296), (8, 10151134), (14, 5800648), (16, 5075567), (28, 2900324), (49, 1657328), (56, 1450162), (98, 828664), (112, 725081), (196, 414332), (392, 207166), (784, 103583)]