321002138

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{28493}}^1$

素因数の和:28669

約数の個数: 16

約数和(自身を含む): 496479456

約数和(自身を除く): 175477318

約数列:

[1, 2, 43, 86, 131, 262, 5633, 11266, 28493, 56986, 1225199, 2450398, 3732583, 7465166, 160501069, 321002138]

約数ペア:

[(1, 321002138), (2, 160501069), (43, 7465166), (86, 3732583), (131, 2450398), (262, 1225199), (5633, 56986), (11266, 28493)]