2564891

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 3110400

約数和(自身を除く): 545509

約数列:

[1, 7, 23, 89, 161, 179, 623, 1253, 2047, 4117, 14329, 15931, 28819, 111517, 366413, 2564891]

約数ペア:

[(1, 2564891), (7, 366413), (23, 111517), (89, 28819), (161, 15931), (179, 14329), (623, 4117), (1253, 2047)]