210947990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{14639}}^1$

素因数の和:14788

約数の個数: 32

約数和(自身を含む): 417415680

約数和(自身を除く): 206467690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2882, 7205, 14410, 14639, 29278, 73195, 146390, 161029, 322058, 805145, 1610290, 1917709, 3835418, 9588545, 19177090, 21094799, 42189598, 105473995, 210947990]

約数ペア:

[(1, 210947990), (2, 105473995), (5, 42189598), (10, 21094799), (11, 19177090), (22, 9588545), (55, 3835418), (110, 1917709), (131, 1610290), (262, 805145), (655, 322058), (1310, 161029), (1441, 146390), (2882, 73195), (7205, 29278), (14410, 14639)]