397384018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{433}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 634459392

約数和(自身を除く): 237075374

約数列:

[1, 2, 23, 46, 71, 142, 281, 433, 562, 866, 1633, 3266, 6463, 9959, 12926, 19918, 19951, 30743, 39902, 61486, 121673, 243346, 458873, 707089, 917746, 1414178, 2798479, 5596958, 8638783, 17277566, 198692009, 397384018]

約数ペア:

[(1, 397384018), (2, 198692009), (23, 17277566), (46, 8638783), (71, 5596958), (142, 2798479), (281, 1414178), (433, 917746), (562, 707089), (866, 458873), (1633, 243346), (3266, 121673), (6463, 61486), (9959, 39902), (12926, 30743), (19918, 19951)]