71428018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 115084800

約数和(自身を除く): 43656782

約数列:

[1, 2, 23, 46, 73, 89, 146, 178, 239, 478, 1679, 2047, 3358, 4094, 5497, 6497, 10994, 12994, 17447, 21271, 34894, 42542, 149431, 298862, 401281, 489233, 802562, 978466, 1552783, 3105566, 35714009, 71428018]

約数ペア:

[(1, 71428018), (2, 35714009), (23, 3105566), (46, 1552783), (73, 978466), (89, 802562), (146, 489233), (178, 401281), (239, 298862), (478, 149431), (1679, 42542), (2047, 34894), (3358, 21271), (4094, 17447), (5497, 12994), (6497, 10994)]