42647995

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1303

約数の個数: 24

約数和(自身を含む): 56814912

約数和(自身を除く): 14166917

約数列:

[1, 5, 13, 41, 65, 169, 205, 533, 845, 1231, 2665, 6155, 6929, 16003, 34645, 50471, 80015, 208039, 252355, 656123, 1040195, 3280615, 8529599, 42647995]

約数ペア:

[(1, 42647995), (5, 8529599), (13, 3280615), (41, 1040195), (65, 656123), (169, 252355), (205, 208039), (533, 80015), (845, 50471), (1231, 34645), (2665, 16003), (6155, 6929)]