12347665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 17335296

約数和(自身を除く): 4987631

約数列:

[1, 5, 11, 23, 43, 55, 115, 215, 227, 253, 473, 989, 1135, 1265, 2365, 2497, 4945, 5221, 9761, 10879, 12485, 26105, 48805, 54395, 57431, 107371, 224503, 287155, 536855, 1122515, 2469533, 12347665]

約数ペア:

[(1, 12347665), (5, 2469533), (11, 1122515), (23, 536855), (43, 287155), (55, 224503), (115, 107371), (215, 57431), (227, 54395), (253, 48805), (473, 26105), (989, 12485), (1135, 10879), (1265, 9761), (2365, 5221), (2497, 4945)]