978466

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 16

約数和(自身を含む): 1555200

約数和(自身を除く): 576734

約数列:

[1, 2, 23, 46, 89, 178, 239, 478, 2047, 4094, 5497, 10994, 21271, 42542, 489233, 978466]

約数ペア:

[(1, 978466), (2, 489233), (23, 42542), (46, 21271), (89, 10994), (178, 5497), (239, 4094), (478, 2047)]