209609584

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{72379}}^1$

素因数の和:72568

約数の個数: 20

約数和(自身を含む): 408367960

約数和(自身を除く): 198758376

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 72379, 144758, 289516, 579032, 1158064, 13100599, 26201198, 52402396, 104804792, 209609584]

約数ペア:

[(1, 209609584), (2, 104804792), (4, 52402396), (8, 26201198), (16, 13100599), (181, 1158064), (362, 579032), (724, 289516), (1448, 144758), (2896, 72379)]