31000004

素因数分解:

$2^2\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1621}}^1$

素因数の和:2315

約数の個数: 24

約数和(自身を含む): 62129088

約数和(自身を除く): 31129084

約数列:

[1, 2, 4, 7, 14, 28, 683, 1366, 1621, 2732, 3242, 4781, 6484, 9562, 11347, 19124, 22694, 45388, 1107143, 2214286, 4428572, 7750001, 15500002, 31000004]

約数ペア:

[(1, 31000004), (2, 15500002), (4, 7750001), (7, 4428572), (14, 2214286), (28, 1107143), (683, 45388), (1366, 22694), (1621, 19124), (2732, 11347), (3242, 9562), (4781, 6484)]