12767990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 24558336

約数和(自身を除く): 11790346

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1291, 1978, 2582, 4945, 6455, 9890, 12910, 29693, 55513, 59386, 111026, 148465, 277565, 296930, 555130, 1276799, 2553598, 6383995, 12767990]

約数ペア:

[(1, 12767990), (2, 6383995), (5, 2553598), (10, 1276799), (23, 555130), (43, 296930), (46, 277565), (86, 148465), (115, 111026), (215, 59386), (230, 55513), (430, 29693), (989, 12910), (1291, 9890), (1978, 6455), (2582, 4945)]