28776770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2146

約数の個数: 32

約数和(自身を含む): 56966976

約数和(自身を除く): 28190206

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 1997, 2882, 3994, 7205, 9985, 14410, 19970, 21967, 43934, 109835, 219670, 261607, 523214, 1308035, 2616070, 2877677, 5755354, 14388385, 28776770]

約数ペア:

[(1, 28776770), (2, 14388385), (5, 5755354), (10, 2877677), (11, 2616070), (22, 1308035), (55, 523214), (110, 261607), (131, 219670), (262, 109835), (655, 43934), (1310, 21967), (1441, 19970), (1997, 14410), (2882, 9985), (3994, 7205)]