157981004

素因数分解:

$2^2\times {\mathrm{331}}^1\times {\mathrm{119321}}^1$

素因数の和:119656

約数の個数: 12

約数和(自身を含む): 277304328

約数和(自身を除く): 119323324

約数列:

[1, 2, 4, 331, 662, 1324, 119321, 238642, 477284, 39495251, 78990502, 157981004]

約数ペア:

[(1, 157981004), (2, 78990502), (4, 39495251), (331, 477284), (662, 238642), (1324, 119321)]