66378242

素因数分解:

$2^1\times 7^2\times {\mathrm{823}}^2$

素因数の和:1662

約数の個数: 18

約数和(自身を含む): 115964163

約数和(自身を除く): 49585921

約数列:

[1, 2, 7, 14, 49, 98, 823, 1646, 5761, 11522, 40327, 80654, 677329, 1354658, 4741303, 9482606, 33189121, 66378242]

約数ペア:

[(1, 66378242), (2, 33189121), (7, 9482606), (14, 4741303), (49, 1354658), (98, 677329), (823, 80654), (1646, 40327), (5761, 11522)]