159641321

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{2549}}^1$

素因数の和:2968

約数の個数: 16

約数和(自身を含む): 190944000

約数和(自身を除く): 31302679

約数列:

[1, 7, 23, 161, 389, 2549, 2723, 8947, 17843, 58627, 62629, 410389, 991561, 6940927, 22805903, 159641321]

約数ペア:

[(1, 159641321), (7, 22805903), (23, 6940927), (161, 991561), (389, 410389), (2549, 62629), (2723, 58627), (8947, 17843)]