1280695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 32

約数和(自身を含む): 1874880

約数和(自身を除く): 594185

約数列:

[1, 5, 13, 17, 19, 61, 65, 85, 95, 221, 247, 305, 323, 793, 1037, 1105, 1159, 1235, 1615, 3965, 4199, 5185, 5795, 13481, 15067, 19703, 20995, 67405, 75335, 98515, 256139, 1280695]

約数ペア:

[(1, 1280695), (5, 256139), (13, 98515), (17, 75335), (19, 67405), (61, 20995), (65, 19703), (85, 15067), (95, 13481), (221, 5795), (247, 5185), (305, 4199), (323, 3965), (793, 1615), (1037, 1235), (1105, 1159)]