128529065

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 180251136

約数和(自身を除く): 51722071

約数列:

[1, 5, 7, 35, 101, 103, 353, 505, 515, 707, 721, 1765, 2471, 3535, 3605, 10403, 12355, 35653, 36359, 52015, 72821, 178265, 181795, 249571, 254513, 364105, 1247855, 1272565, 3672259, 18361295, 25705813, 128529065]

約数ペア:

[(1, 128529065), (5, 25705813), (7, 18361295), (35, 3672259), (101, 1272565), (103, 1247855), (353, 364105), (505, 254513), (515, 249571), (707, 181795), (721, 178265), (1765, 72821), (2471, 52015), (3535, 36359), (3605, 35653), (10403, 12355)]