138016879

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19697}}^1$

素因数の和:19735

約数の個数: 24

約数和(自身を含む): 188628048

約数和(自身を除く): 50611169

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 19697, 137879, 216667, 256061, 965153, 1516669, 1792427, 2816671, 10616683, 12546989, 19716697, 138016879]

約数ペア:

[(1, 138016879), (7, 19716697), (11, 12546989), (13, 10616683), (49, 2816671), (77, 1792427), (91, 1516669), (143, 965153), (539, 256061), (637, 216667), (1001, 137879), (7007, 19697)]