127311128

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{20857}}^1$

素因数の和:20979

約数の個数: 32

約数和(自身を含む): 275325600

約数和(自身を除く): 148014472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 6104, 20857, 41714, 83428, 145999, 166856, 291998, 583996, 1167992, 2273413, 4546826, 9093652, 15913891, 18187304, 31827782, 63655564, 127311128]

約数ペア:

[(1, 127311128), (2, 63655564), (4, 31827782), (7, 18187304), (8, 15913891), (14, 9093652), (28, 4546826), (56, 2273413), (109, 1167992), (218, 583996), (436, 291998), (763, 166856), (872, 145999), (1526, 83428), (3052, 41714), (6104, 20857)]