200043949

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{20369}}^1$

素因数の和:20460

約数の個数: 16

約数和(自身を含む): 242484480

約数和(自身を除く): 42440531

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 20369, 142583, 468487, 1242509, 3279409, 8697563, 28577707, 200043949]

約数ペア:

[(1, 200043949), (7, 28577707), (23, 8697563), (61, 3279409), (161, 1242509), (427, 468487), (1403, 142583), (9821, 20369)]