216882664

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{121571}}^1$

素因数の和:121800

約数の個数: 16

約数和(自身を含む): 408481920

約数和(自身を除く): 191599256

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 121571, 243142, 486284, 972568, 27110333, 54220666, 108441332, 216882664]

約数ペア:

[(1, 216882664), (2, 108441332), (4, 54220666), (8, 27110333), (223, 972568), (446, 486284), (892, 243142), (1784, 121571)]