128209806

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{51991}}^1$

素因数の和:52136

約数の個数: 24

約数和(自身を含む): 279820944

約数和(自身を除く): 151611138

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 51991, 103982, 155973, 311946, 467919, 935838, 7122767, 14245534, 21368301, 42736602, 64104903, 128209806]

約数ペア:

[(1, 128209806), (2, 64104903), (3, 42736602), (6, 21368301), (9, 14245534), (18, 7122767), (137, 935838), (274, 467919), (411, 311946), (822, 155973), (1233, 103982), (2466, 51991)]