281450065

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{1327}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 367452288

約数和(自身を除く): 86002223

約数列:

[1, 5, 13, 65, 169, 251, 845, 1255, 1327, 3263, 6635, 16315, 17251, 42419, 86255, 212095, 224263, 333077, 1121315, 1665385, 4330001, 21650005, 56290013, 281450065]

約数ペア:

[(1, 281450065), (5, 56290013), (13, 21650005), (65, 4330001), (169, 1665385), (251, 1121315), (845, 333077), (1255, 224263), (1327, 212095), (3263, 86255), (6635, 42419), (16315, 17251)]