641276278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{60259}}^1$

素因数の和:60591

約数の個数: 16

約数和(自身を含む): 1021768560

約数和(自身を除く): 380492282

約数列:

[1, 2, 17, 34, 313, 626, 5321, 10642, 60259, 120518, 1024403, 2048806, 18861067, 37722134, 320638139, 641276278]

約数ペア:

[(1, 641276278), (2, 320638139), (17, 37722134), (34, 18861067), (313, 2048806), (626, 1024403), (5321, 120518), (10642, 60259)]