128157056

素因数分解:

$2^7\times {\mathrm{337}}^1\times {\mathrm{2971}}^1$

素因数の和:3322

約数の個数: 32

約数和(自身を含む): 256156680

約数和(自身を除く): 127999624

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 337, 674, 1348, 2696, 2971, 5392, 5942, 10784, 11884, 21568, 23768, 43136, 47536, 95072, 190144, 380288, 1001227, 2002454, 4004908, 8009816, 16019632, 32039264, 64078528, 128157056]

約数ペア:

[(1, 128157056), (2, 64078528), (4, 32039264), (8, 16019632), (16, 8009816), (32, 4004908), (64, 2002454), (128, 1001227), (337, 380288), (674, 190144), (1348, 95072), (2696, 47536), (2971, 43136), (5392, 23768), (5942, 21568), (10784, 11884)]