388293038

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{25657}}^1$

素因数の和:25736

約数の個数: 32

約数和(自身を含む): 709392384

約数和(自身を除く): 321099346

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 2162, 7567, 15134, 25657, 51314, 179599, 359198, 590111, 1180222, 1205879, 2411758, 4130777, 8261554, 8441153, 16882306, 27735217, 55470434, 194146519, 388293038]

約数ペア:

[(1, 388293038), (2, 194146519), (7, 55470434), (14, 27735217), (23, 16882306), (46, 8441153), (47, 8261554), (94, 4130777), (161, 2411758), (322, 1205879), (329, 1180222), (658, 590111), (1081, 359198), (2162, 179599), (7567, 51314), (15134, 25657)]