288661295

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{1361}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 376859952

約数和(自身を除く): 88198657

約数列:

[1, 5, 13, 65, 169, 251, 845, 1255, 1361, 3263, 6805, 16315, 17693, 42419, 88465, 212095, 230009, 341611, 1150045, 1708055, 4440943, 22204715, 57732259, 288661295]

約数ペア:

[(1, 288661295), (5, 57732259), (13, 22204715), (65, 4440943), (169, 1708055), (251, 1150045), (845, 341611), (1255, 230009), (1361, 212095), (3263, 88465), (6805, 42419), (16315, 17693)]