157213961

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 168480000

約数和(自身を除く): 11266039

約数列:

[1, 19, 89, 239, 389, 1691, 4541, 7391, 21271, 34621, 92971, 404149, 657799, 1766449, 8274419, 157213961]

約数ペア:

[(1, 157213961), (19, 8274419), (89, 1766449), (239, 657799), (389, 404149), (1691, 92971), (4541, 34621), (7391, 21271)]