161700475

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 204643152

約数和(自身を除く): 42942677

約数列:

[1, 5, 25, 73, 251, 353, 365, 1255, 1765, 1825, 6275, 8825, 18323, 25769, 88603, 91615, 128845, 443015, 458075, 644225, 2215075, 6468019, 32340095, 161700475]

約数ペア:

[(1, 161700475), (5, 32340095), (25, 6468019), (73, 2215075), (251, 644225), (353, 458075), (365, 443015), (1255, 128845), (1765, 91615), (1825, 88603), (6275, 25769), (8825, 18323)]