218479984

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{83773}}^1$

素因数の和:83944

約数の個数: 20

約数和(自身を含む): 425907016

約数和(自身を除く): 207427032

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 83773, 167546, 335092, 670184, 1340368, 13654999, 27309998, 54619996, 109239992, 218479984]

約数ペア:

[(1, 218479984), (2, 109239992), (4, 54619996), (8, 27309998), (16, 13654999), (163, 1340368), (326, 670184), (652, 335092), (1304, 167546), (2608, 83773)]