1278889129

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1\times {\mathrm{3011}}^1$

素因数の和:4356

約数の個数: 16

約数和(自身を含む): 1494337536

約数和(自身を除く): 215448407

約数列:

[1, 7, 47, 329, 1291, 3011, 9037, 21077, 60677, 141517, 424739, 990619, 3887201, 27210407, 182698447, 1278889129]

約数ペア:

[(1, 1278889129), (7, 182698447), (47, 27210407), (329, 3887201), (1291, 990619), (3011, 424739), (9037, 141517), (21077, 60677)]