199243205

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 278484480

約数和(自身を除く): 79241275

約数列:

[1, 5, 7, 35, 101, 157, 359, 505, 707, 785, 1099, 1795, 2513, 3535, 5495, 12565, 15857, 36259, 56363, 79285, 110999, 181295, 253813, 281815, 394541, 554995, 1269065, 1972705, 5692663, 28463315, 39848641, 199243205]

約数ペア:

[(1, 199243205), (5, 39848641), (7, 28463315), (35, 5692663), (101, 1972705), (157, 1269065), (359, 554995), (505, 394541), (707, 281815), (785, 253813), (1099, 181295), (1795, 110999), (2513, 79285), (3535, 56363), (5495, 36259), (12565, 15857)]