199930795

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 263246976

約数和(自身を除く): 63316181

約数列:

[1, 5, 17, 37, 85, 151, 185, 421, 629, 755, 2105, 2567, 3145, 5587, 7157, 12835, 15577, 27935, 35785, 63571, 77885, 94979, 264809, 317855, 474895, 1080707, 1324045, 2352127, 5403535, 11760635, 39986159, 199930795]

約数ペア:

[(1, 199930795), (5, 39986159), (17, 11760635), (37, 5403535), (85, 2352127), (151, 1324045), (185, 1080707), (421, 474895), (629, 317855), (755, 264809), (2105, 94979), (2567, 77885), (3145, 63571), (5587, 35785), (7157, 27935), (12835, 15577)]