72778531

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1187}}^1$

素因数の和:1674

約数の個数: 16

約数和(自身を含む): 87816960

約数和(自身を除く): 15038429

約数列:

[1, 7, 19, 133, 461, 1187, 3227, 8309, 8759, 22553, 61313, 157871, 547207, 3830449, 10396933, 72778531]

約数ペア:

[(1, 72778531), (7, 10396933), (19, 3830449), (133, 547207), (461, 157871), (1187, 61313), (3227, 22553), (8309, 8759)]