12940216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{85133}}^1$

素因数の和:85158

約数の個数: 16

約数和(自身を含む): 25540200

約数和(自身を除く): 12599984

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 85133, 170266, 340532, 681064, 1617527, 3235054, 6470108, 12940216]

約数ペア:

[(1, 12940216), (2, 6470108), (4, 3235054), (8, 1617527), (19, 681064), (38, 340532), (76, 170266), (152, 85133)]