128919196

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{5021}}^1$

素因数の和:5170

約数の個数: 36

約数和(自身を含む): 264498696

約数和(自身を除く): 135579500

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 917, 1834, 3668, 5021, 6419, 10042, 12838, 20084, 25676, 35147, 70294, 140588, 246029, 492058, 657751, 984116, 1315502, 2631004, 4604257, 9208514, 18417028, 32229799, 64459598, 128919196]

約数ペア:

[(1, 128919196), (2, 64459598), (4, 32229799), (7, 18417028), (14, 9208514), (28, 4604257), (49, 2631004), (98, 1315502), (131, 984116), (196, 657751), (262, 492058), (524, 246029), (917, 140588), (1834, 70294), (3668, 35147), (5021, 25676), (6419, 20084), (10042, 12838)]