1387489537

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{130489}}^1$

素因数の和:130541

約数の個数: 16

約数和(自身を含む): 1670272000

約数和(自身を除く): 282782463

約数列:

[1, 7, 31, 49, 217, 343, 1519, 10633, 130489, 913423, 4045159, 6393961, 28316113, 44757727, 198212791, 1387489537]

約数ペア:

[(1, 1387489537), (7, 198212791), (31, 44757727), (49, 28316113), (217, 6393961), (343, 4045159), (1519, 913423), (10633, 130489)]