197780068

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{823}}^2$

素因数の和:1723

約数の個数: 18

約数和(自身を含む): 351283254

約数和(自身を除く): 153503186

約数列:

[1, 2, 4, 73, 146, 292, 823, 1646, 3292, 60079, 120158, 240316, 677329, 1354658, 2709316, 49445017, 98890034, 197780068]

約数ペア:

[(1, 197780068), (2, 98890034), (4, 49445017), (73, 2709316), (146, 1354658), (292, 677329), (823, 240316), (1646, 120158), (3292, 60079)]