217893235

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2087}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 316707840

約数和(自身を除く): 98814605

約数列:

[1, 5, 7, 19, 35, 95, 133, 157, 665, 785, 1099, 2087, 2983, 5495, 10435, 14609, 14915, 20881, 39653, 73045, 104405, 198265, 277571, 327659, 1387855, 1638295, 2293613, 6225521, 11468065, 31127605, 43578647, 217893235]

約数ペア:

[(1, 217893235), (5, 43578647), (7, 31127605), (19, 11468065), (35, 6225521), (95, 2293613), (133, 1638295), (157, 1387855), (665, 327659), (785, 277571), (1099, 198265), (2087, 104405), (2983, 73045), (5495, 39653), (10435, 20881), (14609, 14915)]