289290412

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73127}}^1$

素因数の和:73197

約数の個数: 24

約数和(自身を含む): 540562176

約数和(自身を除く): 251271764

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 73127, 146254, 292508, 1681921, 3144461, 3363842, 6288922, 6727684, 12577844, 72322603, 144645206, 289290412]

約数ペア:

[(1, 289290412), (2, 144645206), (4, 72322603), (23, 12577844), (43, 6727684), (46, 6288922), (86, 3363842), (92, 3144461), (172, 1681921), (989, 292508), (1978, 146254), (3956, 73127)]