216906172

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{87041}}^1$

素因数の和:87141

約数の個数: 24

約数和(自身を含む): 438691680

約数和(自身を除く): 221785508

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 87041, 174082, 348164, 609287, 1218574, 2437148, 7746649, 15493298, 30986596, 54226543, 108453086, 216906172]

約数ペア:

[(1, 216906172), (2, 108453086), (4, 54226543), (7, 30986596), (14, 15493298), (28, 7746649), (89, 2437148), (178, 1218574), (356, 609287), (623, 348164), (1246, 174082), (2492, 87041)]