219942905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21017}}^1$

素因数の和:21065

約数の個数: 32

約数和(自身を含む): 338978304

約数和(自身を除く): 119035399

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 10465, 21017, 105085, 147119, 273221, 483391, 735595, 1366105, 1912547, 2416955, 3383737, 6284083, 9562735, 16918685, 31420415, 43988581, 219942905]

約数ペア:

[(1, 219942905), (5, 43988581), (7, 31420415), (13, 16918685), (23, 9562735), (35, 6284083), (65, 3383737), (91, 2416955), (115, 1912547), (161, 1366105), (299, 735595), (455, 483391), (805, 273221), (1495, 147119), (2093, 105085), (10465, 21017)]