12886555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 17998848

約数和(自身を除く): 5112293

約数列:

[1, 5, 11, 23, 55, 61, 115, 167, 253, 305, 671, 835, 1265, 1403, 1837, 3355, 3841, 7015, 9185, 10187, 15433, 19205, 42251, 50935, 77165, 112057, 211255, 234301, 560285, 1171505, 2577311, 12886555]

約数ペア:

[(1, 12886555), (5, 2577311), (11, 1171505), (23, 560285), (55, 234301), (61, 211255), (115, 112057), (167, 77165), (253, 50935), (305, 42251), (671, 19205), (835, 15433), (1265, 10187), (1403, 9185), (1837, 7015), (3355, 3841)]