6403475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 9686880

約数和(自身を除く): 3283405

約数列:

[1, 5, 13, 17, 19, 25, 61, 65, 85, 95, 221, 247, 305, 323, 325, 425, 475, 793, 1037, 1105, 1159, 1235, 1525, 1615, 3965, 4199, 5185, 5525, 5795, 6175, 8075, 13481, 15067, 19703, 19825, 20995, 25925, 28975, 67405, 75335, 98515, 104975, 256139, 337025, 376675, 492575, 1280695, 6403475]

約数ペア:

[(1, 6403475), (5, 1280695), (13, 492575), (17, 376675), (19, 337025), (25, 256139), (61, 104975), (65, 98515), (85, 75335), (95, 67405), (221, 28975), (247, 25925), (305, 20995), (323, 19825), (325, 19703), (425, 15067), (475, 13481), (793, 8075), (1037, 6175), (1105, 5795), (1159, 5525), (1235, 5185), (1525, 4199), (1615, 3965)]