128207156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{416257}}^1$

素因数の和:416279

約数の個数: 24

約数和(自身を含む): 279725376

約数和(自身を除く): 151518220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 416257, 832514, 1665028, 2913799, 4578827, 5827598, 9157654, 11655196, 18315308, 32051789, 64103578, 128207156]

約数ペア:

[(1, 128207156), (2, 64103578), (4, 32051789), (7, 18315308), (11, 11655196), (14, 9157654), (22, 5827598), (28, 4578827), (44, 2913799), (77, 1665028), (154, 832514), (308, 416257)]