1561148

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 2903040

約数和(自身を除く): 1341892

約数列:

[1, 2, 4, 23, 46, 71, 92, 142, 239, 284, 478, 956, 1633, 3266, 5497, 6532, 10994, 16969, 21988, 33938, 67876, 390287, 780574, 1561148]

約数ペア:

[(1, 1561148), (2, 780574), (4, 390287), (23, 67876), (46, 33938), (71, 21988), (92, 16969), (142, 10994), (239, 6532), (284, 5497), (478, 3266), (956, 1633)]