49991641

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 61350144

約数和(自身を除く): 11358503

約数列:

[1, 7, 19, 73, 133, 271, 361, 511, 1387, 1897, 2527, 5149, 9709, 19783, 26353, 36043, 97831, 138481, 184471, 375877, 684817, 2631139, 7141663, 49991641]

約数ペア:

[(1, 49991641), (7, 7141663), (19, 2631139), (73, 684817), (133, 375877), (271, 184471), (361, 138481), (511, 97831), (1387, 36043), (1897, 26353), (2527, 19783), (5149, 9709)]