13920178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 23390208

約数和(自身を除く): 9470030

約数列:

[1, 2, 17, 31, 34, 47, 62, 94, 281, 527, 562, 799, 1054, 1457, 1598, 2914, 4777, 8711, 9554, 13207, 17422, 24769, 26414, 49538, 148087, 224519, 296174, 409417, 449038, 818834, 6960089, 13920178]

約数ペア:

[(1, 13920178), (2, 6960089), (17, 818834), (31, 449038), (34, 409417), (47, 296174), (62, 224519), (94, 148087), (281, 49538), (527, 26414), (562, 24769), (799, 17422), (1054, 13207), (1457, 9554), (1598, 8711), (2914, 4777)]