13258465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 18579456

約数和(自身を除く): 5320991

約数列:

[1, 5, 11, 23, 47, 55, 115, 223, 235, 253, 517, 1081, 1115, 1265, 2453, 2585, 5129, 5405, 10481, 11891, 12265, 25645, 52405, 56419, 59455, 115291, 241063, 282095, 576455, 1205315, 2651693, 13258465]

約数ペア:

[(1, 13258465), (5, 2651693), (11, 1205315), (23, 576455), (47, 282095), (55, 241063), (115, 115291), (223, 59455), (235, 56419), (253, 52405), (517, 25645), (1081, 12265), (1115, 11891), (1265, 10481), (2453, 5405), (2585, 5129)]